Mortal Shell 2 Lazlo the Justiciar Guide – Location, Abilities, Skills and Best Build

TL;DR:

• Lazlo the Justiciar is one of two Mammon Shells and has the highest base HP of any Shell in the game.
• He is found in the Royal Crypt of Mammon at the end of the High Lord’s Keep, below the High Lords Courtyard Beacon in western Mammon.
• You must defeat Vellen, High Lord of Mammon – who is Lazlo’s uncle – to access his body in the chamber behind the boss.
• His Retribution ability heats his armor to release shockwaves. Repeated use triggers Overheat for a stronger shockwave with Burn stacks – but it temporarily disables his armor.
• Fortified Plate gives him a base 10% damage reduction while his armor is active, rising to 20%+ with skill investment.
• The core mechanic is the Heat Meter – keep it full for passive bonuses, then strategically trigger Overheat for burst damage before letting the armor cycle back online.
• His best build pairs the Axatana with the Ballistazooka, Duality Stone, and Rush at Tier 4 for a Critical Hit burst window during every Overheat phase.
• He has 12 skills across 4 Bond Tiers and 6 memories. Total Gloom cost to unlock all memories: 3,000. Total payout: 4,250 – the most profitable memory chain of any Shell.

Mortal Shell 2 Lazlo the Justiciar is the tanking Shell of Mammon and the game’s clearest answer for players who want to absorb hits and fight back with shockwaves rather than dodge around everything. He has the highest base health in the roster, a flat damage reduction passive, and an active ability that punishes enemies who crowd him with fire-based shockwaves that scale into enormous Burn-infused blasts when he Overheats.

Getting to him requires pushing deep into western Mammon and defeating a boss that holds a personal connection to Lazlo’s story. This guide covers the exact route to his location, the Vellen boss fight, his full ability kit, every skill in his tree, and how to build him around the Heat Meter cycle for maximum output. To see how he compares to the other Mammon Shells, check our Sester Genessa guide for the clone-based alternative. The full Shell roster is in our all Shell locations guide.

Where to Find Lazlo the Justiciar

Lazlo is found in the Royal Crypt of Mammon, located below the High Lord’s Keep in the western Ruins of Mammon. His body rests in the chamber directly behind Vellen, High Lord of Mammon. You cannot claim it without defeating Vellen first.

Step-by-step directions:

1. Fast travel to the High Lords Courtyard Beacon in western Mammon. If you do not have it yet, work westward from the Outskirts of Mammon Beacon through the High Lord’s Courtyard area.
2. From the Courtyard Beacon, head west toward the large stairwell going downward.
3. Descend into the underground area beneath the Keep. You will encounter Armored Knights and Coffin Eye Beholders on the way – fight or navigate past them.
4. The quickest alternate approach uses the Bone Gate to the north of the Gate of Mammon, which can shortcut your route to the Royal Crypt area depending on your progression.
5. Push through the underground section to its end, where you enter an underground cathedral.
6. Defeat Vellen, High Lord of Mammon in the cathedral.
7. After the fight, enter the room behind Vellen and interact with Lazlo’s body on the ground to trigger his memory sequence and unlock him permanently.

Make sure you have your map fragments before entering the underground section – fog of war makes navigation harder. Our guide on how to get a map in Mortal Shell 2 covers where to find them. For Beacon coverage, see our all Beacon locations guide.

Vellen, High Lord of Mammon – Boss Fight Tips

Vellen is the main boss guarding Lazlo’s Shell and carries lore significance – he is Lazlo’s uncle. He is a heavily armored, powerful single target with slow but devastating swings and a few ranged attacks.

Tips for defeating Vellen:

• Watch for the overhead slam. It is his most damaging attack but has a long wind-up. Dodge to the side rather than backward to stay in range for a punish.
• Use Break Damage tools. Vellen’s posture can be broken to set up a Riposte for massive burst. If you have Eredrim available, his Shoulder Bash + Ethereal Diapason combo is extremely effective here. See our Eredrim guide for that approach.
• Stay aggressive. Vellen does not reward passive play. The longer the fight runs, the more opportunities he has to land his heavy hits. Keep pressure on him between dodge windows.
• Lure nearby enemies into the fight if needed. Some players use the enemies in the courtyard area to help chip Vellen’s health, though this is situational.

Our dedicated Mortal Shell 2 all boss list covers detailed strategies for every boss encounter in the game including Vellen.

Who Is Lazlo the Justiciar?

Lazlo is a new character in Mortal Shell 2, not returning from the first game. His title “the Justiciar” and the lore connection to Vellen – his uncle, the High Lord of Mammon – hints at a warrior who stood against the corruption of his own family and paid for it with his life. He is interred in the Royal Crypt beneath the very fortress his uncle controlled.

His motto: “Justice is not given, it is exacted.”

As a Shell, Lazlo is a heat-management fighter. His armor is both his defense and his weapon. When the armor is active, it reduces incoming damage by 10% (rising with skills). When you heat the armor repeatedly with Retribution, it eventually Overheats – which triggers a much stronger shockwave but disables the armor temporarily. Managing this cycle of armor-on, heat-up, Overheat, armor-off cooldown, armor-back-on is the entire rhythm of playing Lazlo well. A half-built Lazlo plays slow and defensive. A fully built Lazlo barely stops moving, weaving Overheat windows into a consistent Critical Hit burst rotation.

Lazlo the Justiciar – Abilities

Active – Retribution

Lazlo heats his armor and releases a Shockwave around himself. Repeated use of Retribution charges the Heat Meter. When the Heat Meter is full and Retribution is used again, Lazlo enters Overheat – triggering a much stronger shockwave that inflicts Burn stacks on nearby enemies. The trade-off is that Overheat temporarily disables his armor, removing Fortified Plate’s damage reduction until the armor cycles back online.

The entire Lazlo playstyle is built around this tension. You want to keep the Heat Meter full for Warmed Up’s passive bonuses, then trigger Overheat at the right moment for maximum burst damage, then manage the brief window where your armor is offline before it comes back.

Passive – Fortified Plate

Lazlo has a base 10% damage reduction as long as his armor is active. This is a flat passive reduction on every hit – not a chance-based mitigation like Proxima’s Grafted Armor. While 10% sounds small, combined with Warmed Up’s additional 10% (scaling with the Heat Meter), Furnace’s flat +10% while the meter is full, and his naturally high health pool, Lazlo takes noticeably less damage per hit than any other Shell at similar investment levels.

The key downside: Fortified Plate goes offline when Overheat is triggered and the armor is disabled. You are briefly unprotected. Adaptation at Tier 2 reduces this downtime significantly, and Inflamed at Tier 4 gives Overheat shockwaves a 30% chance to not even disable the armor in the first place.

Lazlo the Justiciar – Full Skill Tree

Lazlo has 12 skills across 4 Bond Tiers. Deepen his Bond by spending Glimpses with Zhirelle the Shellkeeper at Marrow Keep. Shell Points from leveling up are spent on individual skills. His memories pay out more Gloom than they cost – the only Shell in the game to do this. For help earning Gloom quickly, see our fast Gloom farming guide.

Tier 1 Skills

Worthy Armor (3 levels) – Reduces the Resolve cost of Retribution so you can fire shockwaves more frequently.

• Level 1: Retribution costs 20% less Resolve
• Level 2: Retribution costs 30% less Resolve
• Level 3: Retribution costs 40% less Resolve

Warmed Up (3 levels) – Gives Lazlo scaling bonuses as the Heat Meter rises, rewarding staying close to Overheat without triggering it.

• Level 1: Lazlo deals up to 30% more damage
• Level 2: Lazlo gains up to 35% more Resolve from melee attacks
• Level 3: Lazlo’s armor provides up to 10% more damage reduction

Inner Fire (3 levels) – Improves Burn resistance and adds beneficial effects when Lazlo is hit with Burn.

• Level 1: 50% Burn mitigation
• Level 2: Full Burn damage immunity
• Level 3: Lazlo receives 5 Warp stacks when affected by Burn

Tier 2 Skills

Temperament (4 levels) – The core shockwave upgrade. Increases Retribution’s damage radius and adds a ground-fire effect to Overheat at max level.

• Level 1: Shockwaves deal 130% damage
• Level 2: Shockwaves deal 160% damage
• Level 3: Shockwaves cover a much larger radius
• Level 4: Overheated shockwaves ignite the ground for 5 seconds

Adaptation (3 levels) – Reduces the cooldown on Lazlo’s armor after Overheat disables it.

• Level 1: Armor cooldown reduced by 2 seconds
• Level 2: Reduced by 3 seconds
• Level 3: Reduced by 4 seconds

Incandescence (3 levels) – When the armor comes back online after its cooldown, the Heat Meter is partially filled automatically.

• Level 1: Heat Meter fills by 20% on armor return
• Level 2: Heat Meter fills by 35%
• Level 3: Heat Meter fills by 50%

Tier 3 Skills

Breaker (3 levels) – Shockwaves now deal Break Damage, adding posture pressure to Retribution’s output.

• Level 1: Shockwaves deal 15 Break Damage
• Level 2: Shockwaves deal 20 Break Damage
• Level 3: Overheated shockwaves have 15% chance to instantly Break an enemy

Furnace (3 levels) – While the Heat Meter is completely full, Lazlo gains passive defensive and survival bonuses.

• Level 1: Enemies receive 2 Burn stacks when they strike Lazlo
• Level 2: Damage reduction increases by +10%
• Level 3: Lazlo has 50% chance to survive a fatal blow

Detonation (3 levels) – When Lazlo is severed from the Harbinger (knocked out of the Shell), his armor fires one final shockwave as a death burst.

• Level 1: Last shockwave deals 120 damage
• Level 2: The shockwave ignites the ground for 12 seconds
• Level 3: The shockwave covers +50% the normal radius

Tier 4 Skills

Inflamed (4 levels) – The most powerful Retribution upgrade. At max level, Overheat shockwaves can proc without disabling the armor and cure all negative conditions.

• Level 1: Heat Meter no longer drains over time
• Level 2: Overheated shockwaves no longer cost Resolve and inflict 10 Burn stacks
• Level 3: Overheated shockwaves have 30% chance to not deactivate Lazlo’s armor
• Level 4: Overheated shockwaves cure all negative conditions on Lazlo

Rekindle (3 levels) – The Heat Meter drain after Overheat now restores resources while it empties.

• Level 1: Restores 1 Health every 1 second as the meter drains
• Level 2: Restores 1 Resolve every 1 second as the meter drains
• Level 3: Restores 15 Health and Resolve when the meter fully empties

Rush (4 levels) – When Lazlo’s armor goes on cooldown after Overheat, he gains Warp stacks and a significant Critical Hit chance bonus.

• Level 1: Lazlo gains 10 Warp stacks on armor disable
• Level 2: Lazlo gains 20 Warp stacks on armor disable
• Level 3: Lazlo has +15% Critical Hit chance during armor disable
• Level 4: Lazlo has +20% Critical Hit chance during armor disable

Lazlo’s Memories

Lazlo has 6 memories. Unlocking all of them costs 3,000 Gloom but pays back 4,250 Gloom in return – making him the only Shell in Mortal Shell 2 whose memories are net profitable. This makes investing in his Bond Tiers financially worthwhile even if you only plan to use him as a secondary Shell.

• The Justiciar – initial memory, unlocks on Shell claim
• The Prisoner – 500 Glimpse → 500 Gloom
• The Prisoner 2 – 500 Glimpse → 750 Gloom
• The Visit – 500 Glimpse → 1,000 Gloom
• The Trial – 500 Glimpse → 1,000 Gloom
• The Truth – 500 Glimpse → 500 Gloom

Best Build for Lazlo the Justiciar

The strongest Lazlo build is the Overheat Critical Hit build, built around Rush at Tier 4. Every time Overheat triggers and the armor goes on cooldown, Rush grants up to +20% Critical Hit chance. Pair this with crit-boosting Tarstones and a fast weapon that generates Resolve between Retribution uses, and Lazlo cycles rapidly between armor-on, Overheat, crit burst, armor-back, repeat.

Best Weapons for Lazlo

Primary Weapon: Axatana

The Axatana is the top recommendation for Lazlo. Its fast light attacks generate Resolve quickly through Duality Stone’s double-hit effect, keeping Retribution available for frequent shockwave use. Its higher damage per hit also means the Rush crit window lands harder during each Overheat phase. The Axatana is found inside the Forgotten Tower in the southeastern Ruins of Mammon. See our all weapon and sidearm locations guide for the exact route.

Sidearm: Ballistazooka

The Ballistazooka fires consecutive shots in a burst, and with Fusillade Stone equipped, each shot benefits from the Rush crit window. Landing several consecutive ranged crits during the Overheat phase creates massive burst damage from range. It is especially effective for finishing wounded bosses from a safe distance during the brief armor-offline cooldown when you want to avoid trading hits.

Best Tarstones for Lazlo

• Duality Stone – Every light attack hits twice, doubling Resolve generation from melee combos. This keeps Retribution cycling faster and speeds up Heat Meter buildup. Essential for the entire build’s flow.
• Auspicious Stone – Increases melee Critical Hit rate. Stacks with Rush’s +20% to push Lazlo’s total crit chance into reliable territory during the Overheat window.
• Headsman’s Stone – Increases Critical Hit damage for melee. Every crit that lands during Rush hits harder.
• Deadeye Stone – Increases Critical Hit damage for ranged attacks. Amplifies the Ballistazooka burst during the crit window.
• Marksman’s Stone – Increases ranged Critical Hit rate. Ensures the Ballistazooka’s consecutive shots also land crits consistently during Rush.
• Berserker’s Stone – Increases melee damage at low health. Pairs with Furnace’s 50% fatal blow survival chance – if you do drop low, Berserker’s turns that into a damage spike window.

For a broader look at Tarstone options, see our best Tarstones for beginners guide and our Tarforge upgrade guide.

Priority Skills to Unlock

1. Worthy Armor (Level 1–3) – 40% Resolve cost reduction on Retribution lets you fire shockwaves far more often and keeps Heat Meter building faster.
2. Warmed Up (Level 1–3) – Up to 30% more damage and 10% more damage reduction while the Heat Meter is climbing. This makes the warm-up phase before Overheat actively dangerous rather than just setup time.
3. Temperament (Level 1–4) – 160% shockwave damage and larger radius. At Level 4, Overheated shockwaves ignite the ground for 5 seconds, creating a persistent Burn zone. Core damage upgrade.
4. Adaptation (Level 1–3) – Cuts armor cooldown by 4 seconds total. Faster armor return means faster Heat Meter refill from Incandescence and shorter windows of vulnerability.
5. Incandescence (Level 1–3) – When armor returns, Heat Meter fills 50% automatically. Combined with Inflamed Level 1 (Heat Meter stops draining over time), you reach Overheat threshold faster each cycle.
6. Furnace (Level 1–3) – Full Heat Meter grants 10% more damage reduction, enemies burn on hit, and 50% fatal blow survival. These three bonuses together make full-Heat Meter Lazlo feel nearly unkillable in sustained fights.
7. Inflamed (Level 1–4) – The most important Tier 4 skill. Level 1 stops Heat Meter drain. Level 2 makes Overheat cost no Resolve. Level 3 gives 30% chance armor stays on through Overheat. Level 4 cleanses all debuffs on Overheat. Max this as soon as Tier 4 unlocks.
8. Rush (Level 1–4) – +20% Critical Hit chance and 20 Warp stacks on every armor disable. This turns the Overheat vulnerability window into a crit burst phase. Essential for the Critical Hit build.

Combat Loop

1. Open the fight with Axatana light combos using Duality Stone to build Resolve quickly (double hits = rapid Resolve gain).
2. Use Retribution to release a shockwave and start charging the Heat Meter. Warmed Up’s damage and reduction bonuses scale as the meter rises.
3. Continue light combos between Retribution uses to rebuild Resolve. Worthy Armor keeps the cost low enough that Resolve regeneration keeps pace.
4. When the Heat Meter is full, keep it there briefly to benefit from Furnace’s full-meter bonuses (enemies burn on hit, +10% damage reduction, 50% fatal blow survival).
5. Trigger Overheat for the enhanced shockwave with Burn stacks and ground ignition from Temperament Level 4.
6. Rush activates when armor goes on cooldown: gain 20 Warp stacks and +20% Critical Hit chance. Switch immediately to fast light combos and fire the Ballistazooka for maximum crit burst during this window.
7. When armor returns, Incandescence fills the Heat Meter 50% automatically. Resume heating toward the next Overheat cycle.
8. Rekindle restores Health and Resolve as the meter drains after Overheat, keeping you sustained between cycles.

Tips for Playing Lazlo the Justiciar

• Never let the Heat Meter sit at zero. With Inflamed Level 1, the meter no longer drains over time – this is huge. Before that skill, prioritize keeping the meter climbing at all times during combat. An empty meter means no Warmed Up bonuses and no path to Overheat.
• Time Overheat to hit the most enemies possible. Temperament Level 3 gives shockwaves a much larger radius and Level 4 ignites the ground afterward. In rooms with multiple enemies, trigger Overheat in the center of a group to maximize the simultaneous Burn application and burning floor zone.
• Use the Rush window aggressively. Many players panic when armor goes offline after Overheat. This is actually your burst window. With +20% Critical Hit chance and Warp stacks, this is when your melee and ranged attacks deal the most damage. Keep attacking, not retreating.
• Furnace Level 3’s 50% fatal blow survival stacks with Inflamed Level 4’s condition cleanse. Against bosses that apply heavy debuffs, you can sometimes survive a hit that should kill you and cleanse debuffs on the next Overheat, effectively getting two layers of emergency survival out of one cooldown cycle.
• Detonation is a free group hit on death. If you do get severed from Lazlo, the Detonation death burst deals 120 damage in a large radius and ignites the ground at Level 3. It does not feel like consolation – in crowded rooms it can kill weakened enemies even as you exit the Shell.
• Vatra’s Seal pairs well with Lazlo’s tank identity. Perfect Harden triggers deal Break Damage, which works alongside Breaker’s shockwave Break Damage for consistent posture pressure without needing to wait for Riposte windows. See our best Seals guide for all options.

Is Lazlo Worth Investing In?

Lazlo is the game’s most accessible tank Shell and the most straightforward choice for players who want to absorb damage and fight in a sustained, pressure-based style. He does not require timing-heavy mechanics like Smert’s Miracle or careful Resolve management like Genessa. His loop is intuitive: build heat, Overheat, crit burst, repeat.

His main criticism is that his best skills are Tier 4 locked. A Lazlo without Rush and Inflamed feels slow and the Overheat trade-off feels punishing. Once those skills come online, the playstyle transforms into something much more dynamic and powerful.

He is rated as a solid mid-tier Shell on most community lists – not the raw damage ceiling of Genessa or the time-stop uniqueness of Smert, but one of the most consistent and forgiving Shells for difficult boss fights where survival matters more than speed. For players coming from Eredrim who want to stay in the tank archetype but add a ranged damage component, Lazlo is the natural next step.

Unlocking Lazlo earns his individual trophy/achievement. Track your full collection progress with our Mortal Shell 2 trophy and achievement guide. For planning into New Game Plus, our New Game Plus guide covers how Lazlo’s Heat Meter loop scales with NG+ enemy density and damage values.

FAQs – Mortal Shell 2 Lazlo the Justiciar