Lieutenant Lech Kril

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Lieutenant Lech Kril
Faction IconGrineerBGrineer
Planet Ceres and Phobos
Mission Exta and Iliad
Weapon Gorgon
Cloned Flesh 4,000
Slash b +  Heat b +  Viral b +++  Impact b   Gas b ‐‐
Shield 400
Impact b ++  Cold b ++  Magnetic b +++  Puncture b -  Radiation b -
Alloy Armor 200
Puncture b +Cold b +Radiation b +++Slash b ‐‐Electricity b ‐‐Magnetic b ‐‐
Body Multipliers Head: 2.0x
Base Affinity 1,500
Base Level 1
Codex Scans 3
Mod Drops Cryo Rounds
Killing Blow
Molten Impact
Energy Channel
Other Drops Phobos: Miter BP/Components
Phobos: Twin Gremlins BP
Orokin Cell
Lech Kril Sigil

I am Lech Kril. My hammer awaits your skull.

—Lieutenant Lech Kril

Lieutenant Lech Kril is the boss of Ceres, and a dual boss on Phobos alongside Captain Vor. A revered war hero clad in impenetrable armor and armed with his signature hammer and Cold b Cold/Heat b Heat abilities, Lech Kril is a formidable adversary for anyone who opposes him.


Lieutenant Lech Kril wears a unique set of body armor and wields the Gorgon and Brokk. This fight comes in two phases, with different abilities and attacks for each.


Phase 1Edit

Kril is completely invincible. He will use his Gorgon throughout the battle on ranged targets, though occasionally he will use a lethal Freeze ability. He will resort to his Brokk to knock a target away when they get too close. Alternatively, he will slam the ground with his hammer, casting Ice Wave. Both abilities guarantee a Cold b Cold proc. Kril prefers to stand his ground and tank all firepower, unlike most Grineer personnel. He is only vulnerable to high amounts of damage when all four coolant tubes on his cooling pack are destroyed, which will then shift the battle to Phase 2.

Phase 2Edit

Lieutenant Lech Kril will burst into fire and dispose of his Gorgon and equip his Brokk hammer, exclusively resorting to melee attacks while turning all of his Cold b Cold based abilities into slightly altered Heat b Heat based versions. Alternatively, he may throw his hammer at medium range targets like a boomerang. Despite possessing heavy armor, his melee capability and speed increases by a great margin. He is capable of catching up to a Tenno and his swing speed is noticeably faster. One must be careful as his combination of attacks can down an inexperienced Tenno.


Phase 1Edit

FrostIceWave Ice Wave HyenaIceWave
Sends a wave of razor sharp, crystalized ice towards an enemy dealing heavy damage and slowing those caught in its wake.
20m (Length)
3m (Wide)
Used by:
Hyena LN2
Lieutenant Lech Kril

  • Deals Cold b Cold damage to all targets in a line that is 20 meters long and 3 meters wide, which also inflicts Cold proc.

Phase 2Edit

Fireball Fire Wave HyenaHideDatDownedNoob
Sends a wave of pyre, combusting flames towards an enemy, dealing heavy damage and burning those caught in its wake.
20m (Length)
3m (Wide)
Used by:
Hyena Ng
Lieutenant Lech Kril

  • Deals high Heat b Heat Damage per tic to all targets in a line for 20 meters long, while also inflicting Heat proc.
    • Damage scales with level.

  • Has a long casting delay, which opens a lot of room to dodge this ability.
  • Damage can be mitigated with the Fire Resistance mod.

VexArmorIcon Flame Barrier FlameBarrier
Casts a sphere of flames, incinerating projectiles that enters its radius.
Infinite HP
5m Circumference
Infinite when OoB
Used by:
Lieutenant Lech Kril

  • A barrier is cast when the enemy is out of bounds and cannot be targeted by the user.

  • Stay within enemy bounds so that you are able to damage the user without the barrier.


Phase 1Edit

During this phase, Lech Kril is invulnerable to damage. In order to make him vulnerable, you must shoot the weak point of his coolant pack, highlighted in a neon red. This is easily done by baiting Lech Kril into melee attacking you, then firing at the coolant pack while he brings his Gorgon back out. You will know you accomplished your task when one of the coolant tubes pop off his back, and he begins to flail. Eventually he will attempt to use one of his ice abilities against you, which will result in it backfiring against him, leaving him frozen. At this point, you can fire on him to deal small amounts of damage and to speedily bring him out of his frozen state. This must be repeated until all tubes are detached from his coolant pack. It is recommended to always stay close to cover during this phase. Kril can fire large amounts of rounds at you, dealing significant damage, and his ice abilities can be incredibly lethal, keeping you from heading back to cover at any point in time. Kril's coolant tubes must be destroyed a total of four times before Phase 2 initiates. 

Phase 2 Edit

Kril's slow and heavy moves can be predictable if you've payed attention to his melee attacks during the first phase. However, he has newer and more fatal attacks. Kril can throw his weapon like a boomerang, which can easily be dodged unless it happens to ricochet off a nearby surface. He can also charge you at high speeds, which can result in your death unless you swiftly dodge to the side. If it does not kill you, you will be vulnerable from being knocked down. The strategy is to outrun him and simply fire as many rounds into him as possible until you or you and your team are the last men standing. Be wary, if you are in a place he cannot reach in order to damage you, Kril may defend himself from ranged fire by casting a flame barrier.

Utilizing Warframe AbilitiesEdit

Ash's Smoke Screen, Loki's Invisibility, Shade's Ghost, or Huras Kubrow's Stalk will cloak the player, creating a big opportunity for you to destroy his cryo pack.

Loki's Decoy and Saryn's Molt are also invaluable for distracting Lech Kril's gunfire while exposing him to attacks from the Tenno.

Frost's Snow Globe slows Lech Kril's ice-based melee attacks, allowing his target to walk out of the way while increasing the length of time when he is vulnerable during his first phase.

Rhino's Rhino Stomp can be used to disconnect the pipes without having to shoot the back.

Nova's Molecular Prime can be used to slow Kril to make it easier to hit his weak points.

Zephyr is also probably the best "hard counter" there is to him. Using Turbulence you can ignore most of his shots from his Gorgon (and all of the other enemies around you). Using Tail Wind and Dive Bomb you can easily detach the tubes on his back without having to worry about landing tricky slam attacks. And Tornado will help you keep the random enemies off of you. If you get good enough at this you can easily solo him without having to worry about finding a team.

Valkyr's Hysteria can be used to revive fragile teammates, as a distraction for teammates to shoot his backpack and tempt Lech Kril into using his ice wave to freeze himself. Also, Valkyr can hit his backpack by a melee attack on his back, although this may require more practice. It also makes Phase 2 laughably easy. While Hysteria is active, Valkyr's ground slam attacks have a massive radius, this can be utilized to easily smash the tubes without even hitting Lech Kril himself.

Chroma's Spectral Scream used in the boss' back will always get a tube.


  • Lieutenant Lech Kril is a revered war hero among the Grineer. While his assassination will result in increased stability for the solar system and intimidate the rest of the Grineer, Lotus dislikes the fact that it will also make him a martyr to his people.
  • He looked like a larger Grineer Butcher before Update 7, and wielded a Fragor instead.
  • Currently, there is a chance that a glitch could happen after one or more of his cooling tubes has been severed, causing the battle against him to become stuck on Phase 1, in which the Cryo pack cannot be damaged further. This glitch happens randomly, no matter which Warframes are present (tested)
  • Kril appears in the Warframe Open Beta trailer, though still wielding the Manticore, rather than the current Brokk.
  • He was the first boss to undergo a major revamp, receiving a more complex boss battle and unique voice-acting and animations.
  • Prior to Update 7.5, he used the Manticore instead of the Brokk.
  • He also was the first boss to have a special death animation. Prior to Update 8, on death, he would fall flat on the ground like a downed player before actually dying. It took a little time for him to bleed out on his own, but one could finish him to shorten the time. After Update 8, he now has a new death animation where he falls to his knees and collapses before erupting in a fiery explosion.
  • Lieutenant Lech Kril's taunt "And I will strike down upon (player name) with great vengeance and furious anger!" Is a reference to a scene in Pulp Fiction, in which Samuel L. Jackson states the same as a quote from the Bible's book Ezekiel 25:17 (Which was a dramatized version from the original Bible quote, "And I will execute great vengeance upon them with furious rebukes; and they shall know that I am the LORD, when I shall lay my vengeance upon them.")
  • As of Update 11, his shields can be damaged during Phase 1. Although he is still invulnerable, bleeding effect from Slash-based weapons will directly damage his health.
  • His rank is somewhat unusual for a supposed 'war hero', as Lieutenants are generally lesser-ranking commissioned officers in current military terms, only three or four steps above the lowest possible rank. It is possible that Kril has not been an officer for long, or that Grineer officers are assigned their ranks/titles on a different basis; perhaps based off the size of the force they command or their overall long-term experience, rather than personal combat experience. Alternately, his status as a war hero may be entirely fabricated as a propaganda campaign, and his title/rank chosen on purpose.

Bugs Edit

  • When using Fire Wave or Ice Wave, the effect of his hammer impacting the ground will instead appear at the end of the ability. There are also no visual effects for Lech Kril pulling out his hammer after Ice Wave is used.
  • When damaged by a Puncture proc, the effect will never go away. This may apply to other procs.
  • Upon death, the explosion effect will trigger when all his health is lost, instead of when his body disappears, making it seem like his corpse vanishes from thin air. (It appears this only occurs when bug 6 also occurs.)
  • After the cutscene on Ceres, Lech Kril may wield his Brokk like the Gorgon for a moment. After the cutscene on Phobos, Kril will wield his Gorgon like the Brokk.
  • If any animation other than shooting and/or walking is playing when you destroy one of Lech Kril's coolant tubes, he will not flail around in a daze.
  • When his final coolant tube is destroyed, Lech Kril can still take damage after being unfrozen, and before beginning his second phase.
  • When beginning his second phase, the burning ground and death explosion effect will play, along with what should only be the heat proc-esque effect.
  • When Lech Kril melee attacks you using his hammer with only one arm, the swinging sound effect will play a second time as he brings it back to holding position. When he is in his first phase, the Gorgon teleports into his hand when the second swinging sound effect plays.
  • Lech Kril will still speak on Phobos even though he's dead and Vor is alive, and vice versa.
  • His "second-skin" quote has a typo, as "second-skin" should not be hyphenated.
  • During his transmissions, he is in his second phase, even though he always begins in his cold based first phase. This is also weird since ice can be seen in the background.
  • If you stay out of Lech Kril's notice long enough, he will stop tracking you. If you end up behind him, he will try to face you, but will ignore attacking you until you attack him, make a noise, or walk into his cone of vision. If you chose one or both of the first two options, he will slowly waddle around until his cone of vision perfectly lines up with you, where the battle will then continue as normal. He may also waddle around when he "tries" to freeze himself. He will also lose notice if he uses his flame barrier.
  • Rarely, Lech Kril will walk in a random direction and use Fire Wave wherever he is walking. It is unknown if this happens with Ice Wave.
  • When performing a charge attack animation, he will stumble, but won't move accordingly.

Start a Discussion Discussions about Lieutenant Lech Kril

  • Kril is Glitch Master But host migration can fix it

    • So I have been going for trinity on phobos and after 3 attempts each around 10 minutes I got a kill on him. Then I joined another group and af...
  • can't kill after host death?

    4 messages
    • No, I know what he's talking about. When you're not the host (and often when you are) you can't damage his pack no matter what weapon you...
    • The way to kill him is to aim at his back and when you see a second health bar shoot. those are the health bars to the tubes they have very sm...

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