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Mo & Krill are together a disruptive and mobile pair that can burrow around the battlefield and leave their enemies in ruins. Beginning encounters with Burrow can let Mo & Krill pop out on unsuspecting enemies, attacking them with Scorn and Sand blast to damage and disarm them. With the support of their team, they can Combo one targeted enemy to pin their target in place while the rest of their allies unleash their attacks.

Weapon Stats
Damage Per Second:	80
Bullet Damage:	3.6
Ammo:	21
Bullets per sec:	5.56
Reload Time:	2.82s
Bullet Velocity:	320m/s
Light Melee:	63+1.58
Heavy Melee:	116+3.67

Members of The Tunnel Rats, Mo & Krill are smugglers and illicit traders who make the underground boroughs of New York their home. Rival gangs that try to exploit these tunnel systems for their own gain will rapidly discover how protective and deadly this pair of smugglers can be.

Abilities

Scorn

Deal damage to nearby enemies and heal yourself based on the damage done. Heal is stronger against enemy heroes.

Radius:

10m

Cooldown:

12.5s

Damage: 60 x0.4

Heal vs Heroes: 200%

Heal vs Non-Heroes: 70%

1 • -3.75s Cooldown

2 • +25 Damage

5 • Adds a debuff to enemies that lets Mo & Krill deal +15% Damage to them. Stacks and lasts 16s.

Burrow

Burrow underground, moving faster, and gaining spirit and bullet armor. Damage from enemy heroes will reduce the speed bonus. When you jump out, knock enemies into the air and perform a spin attack that damages and slows. Cooldown starts when Burrow ends.

Radius:

5m

Cooldown:

37s

Move Speed: +3m/s

Damage per Second: 80 x1.4

Burrow Duration: 5s

Spin Duration: 1.5s

Bullet Resist: 80%

Spirit Resist: 30%

1 • Burrow time +3s

2 • +140 Spin DPS and +2 radius

5 • -19 Cooldown and +3m/s Move Speed

Sand Blast

Spray sand that disarms enemies in front of you and deals damage.

Range:

30m

Cooldown:

42s

Damage: 40 x1.0

Disarm: 3.5s

1 • +1.5s Duration

2 • -19s Cooldown

5 • Slow targets by -50%

Combo

Hold the target in place, stunning them and dealing damage during the channel. If they die during Combo, you permanently gain max health.

Range:

5m

Duration:

2.75s

Cooldown:

95s

Damage per Second: 60 x0.8

Bonus Max Health Per Kill: 30

1 • -28s Cooldown

2 • Combo Duration +0.75s

5 • +40 Damage Per Second and 100% lifesteal

Weapon

Yellow Canary

Rapid Fire

Spreadshot

60 Damage Per Second

Falloff Range

20m ➞ 58m

Background

“

Mo and Krill are members of The Tunnel Rats, a group that help facilitate illicit trade and commerce between the boroughs thanks to a network of underground tunnels. But while most denizens the New York underworld respect the work The Rats do, every once in a while a gang tries to exploit the tunnel system for personal vendettas...that’s when Mo and Krill step in and remind the city what happens to those who disrespect their hospitality.

— A FATE'S TALE

Update history

Main article: Update history

View the full update history: Mo & Krill/Update history

Update	Changes
July 28, 2026	Burrow cooldown no longer starts after the conclusion of the ability, now starts immediately. Combo now lets you cast items while using it.
June 30, 2026	Sand Blast T2 slow increased from -25% to -30%. Sand Blast T3 increased from -20s Cooldown to -25s. Combo bonus max health per kill increased from 30+1/boon to 40+2/boon. Combo cooldown increased from 130s to 150s. (Global ult change) Combo T2 reduced from -35s Cooldown to -30s. (Global ult change)
May 22, 2026	Getting hit with a melee no longer knocks you up while burrowed. Sand Blast T3 increased from +1s Duration to +1.5s.