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Hero guide · Brawler

Mo & Krill Guide

Mo & Krill is a brawler with a spirit-leaning kit. Abilities, build framework, tips and recent changes, checked against the current patch.

Role
Brawler
Damage
Spirit
Weapon
Yellow Canary
Released
24 Apr 2024
Checked27 Oct 2026 By the Simlocks editors Updated 4 min read

At a glance#

Mo & Krill, Deadlock hero

Role (our classification)

  • Brawler — Starts and survives close-range fights, soaking damage while dealing plenty back.

Damage

  • Spirit-leaning kit

Weapon

  • Yellow Canary

Released

  • 24 Apr 2024

Mo & Krill are a tandem bruiser duo who burrow across the battlefield, blast enemies with sand, and lock down single targets.

Mo & Krill’s abilities explained#

Mo & Krill has three regular abilities and an ultimate. Ability names and behaviour below were checked on 27 Oct 2026; numbers are left out on purpose because they change with almost every patch — the in-game tooltip shows the current values.

Scorn ability icon

Ability 1

Scorn

Damages nearby enemies and heals the duo based on damage dealt, more against heroes. It passes through walls and floors and can be cast during most actions.

Burrow ability icon

Ability 2

Burrow

Tunnels underground for speed and armour against bullets and spirit damage. Jumping out damages, slows and knocks up nearby enemies.

Sand Blast ability icon

Ability 3

Sand Blast

Sprays a fast sand projectile forward that disarms and damages enemies it hits.

Combo ability icon

Ultimate

Combo

Holds a target in place, stunning them and dealing damage over the channel. Killing the target grants permanent bonus max health.

How to play Mo & Krill#

Take the space in front of your team, but pick engagements your carries can follow. Durability items let you stay in fights long enough to matter; buy them early.

Mo & Krill hero background art
Mo & Krill key art

Tips from the current kit

  • Scorn can be cast during Combo or heavy melee.
  • While burrowed the duo can still use Scorn, Sand Blast and items.
  • Slide while burrowed to gain speed on slopes.
  • Items can be used during Combo.

Build framework#

A starting framework, not a tested build

This section explains what kind of items Mo & Krill’s kit rewards, built from how the abilities work. It isn’t a win-rate-tested build. For community builds with current stats, open the in-game Build Browser and filter by hero, then check our items explainer to understand why each item is there.

Spirit lean. Most of the kit's damage is spirit damage from abilities, so spirit power, cooldown reduction and duration usually do the most for it.

Mo & Krill build framework · 27 Oct 2026
StageWhat to look for
LaningCheap 800-soul items that help you trade and sustain in lane, plus one that boosts your main damage source.
Mid gameYour first 3,200-soul item is usually the biggest single jump in power — buy toward the one that makes your best ability or your gun stronger.
Late gameFill slots with 6,400-soul items, and swap cheap starters for upgrades. Leave room for an answer to what the enemy is doing.
DefenceMatch the enemy’s damage: shields and resistance against whichever type is hurting you most.

Items that fit a spirit kit

Defensive options

Items opponents commonly use against Mo & Krill — expect to see them, and plan around them:

Ability points#

Ability unlocks come from levelling up; ability points then buy upgrade tiers. A sensible default for Mo & Krill:

  1. Unlock the ability that helps you farm or trade in lane first — for most players that’s Scorn or the ability you can hit most reliably.
  2. Unlock all three regular abilities early so you have every tool in the first fights.
  3. Unlock Combo as soon as it’s available.
  4. Put upgrade points into the ability you use most, then into whichever upgrade tier changes how an ability works (tier 3 upgrades often do).

General guidance; upgrade tiers and costs are shown in game.

Playing against Mo & Krill#

  • Burrow is not disabled by Slowing Hex.
  • Melee can still hit the duo while burrowed.
  • Knockdown affects them while burrowed.
  • Phantom Strike can still reach them while burrowed.

The full breakdown — abilities to play around, counter items with reasons and mistakes to avoid — is in how to counter Mo & Krill.

Recent changes#

Recent Mo & Krill changes
DateChange
28 Jul 2026Burrow cooldown starts immediately; Combo allows item use.

Every update that touches heroes is summarised in patch notes explained and the patch impact tracker.

FAQ#

What does Mo & Krill’s ultimate do?
Combo: Holds a target in place, stunning them and dealing damage over the channel. Killing the target grants permanent bonus max health.
What weapon does Mo & Krill use?
Yellow Canary.
When was Mo & Krill added to Deadlock?
24 Apr 2024.
Is Mo & Krill a spirit hero?
Mostly — the kit leans spirit. Most of the kit's damage is spirit damage from abilities, so spirit power, cooldown reduction and duration usually do the most for it.
How do you counter Mo & Krill?
See how to counter Mo & Krill for abilities to play around and the items that answer them.
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