Skill Gemactive

Mortar Cannon

Raise a cannon Ballista Totem which uses socketed Grenade Skills, with significantly improved Cooldown Recovery Rate.

Cost
mana
Cast Time
1s
Crit Chance
Max Level
20
Cooldown
None

Gem Effects

Full modifier text from the in-game tooltip

Mortar Cannon

Totem duration is 8 seconds

Limit 1 Totem

Totem gains +(0-75)% to all Elemental Resistances

Totem gains +(0-35)% to Chaos Resistance

Support

Supported Grenade Skills have 100% increased Cooldown Recovery Rate

Supported Skills have 50% less Attack Speed

Supported Grenade Skills deal 50% less Damage

Requirements

Weapon Type

Crossbow

Key Mechanics

Game terms referenced by this gem

Totem

A stationary entity that uses skills on your behalf. Limited number can be active at once.

Recommended Builds

Build archetypes where Mortar Cannon can shine

Chaos / Poison Build

Layer Poison stacks for damage over time. Extraction and Poison supports amplify DoT.

Totem Build

Build around Totem placement speed and durability. Hardy Totems and Font supports are strong picks.

Bow Ranger

A Bow-based setup focusing on Projectile damage and speed. Multishot or Pierce supports add clear.

Crossbow Engineer

Ammunition-based gameplay with reloading mechanics. Ammo Conservation and Fresh Clip supports are useful.

Suggested Support Gems

Supports that pair well with Mortar Cannon based on shared mechanics

Related Gems

Gems with similar mechanics or damage types