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Blood Boil

Enemies in your Presence accumulate blood boils periodically. When they die, the boils pop applying Corrupted Blood to enemies near them.

BuffPersistentAoEPhysicalDuration
Tier
A

Very solid choice with strong damage or utility for most builds.

Cost
mana
Cast Time
0s
Crit Chance
Max Level
20
Cooldown
None

Gem Effects

Corrupted Blood deals 2% of slain Enemy's maximum Life as Physical damage per second

Blood Boil applies to non-Unique enemies

in your Presence every (2-1.52) seconds

20% more Corrupted Blood infliction Area of Effect

per Blood Boil on slain Enemy

Inflicts a stack of Corrupted Blood on targets within 1.5 metres per Blood Boil on slain Enemy

Corrupted Blood duration is 5 seconds

Requirements

Best Support Gems for Blood Boil

Ranked by synergy — the game won't tell you which combo deals the most damage

How to Use Blood Boil Effectively

Practical tips you won't find on the tooltip

🌊

AoE Clearing

Invest in Area of Effect to cover more ground. Excellent for map clearing and handling packs efficiently.

Duration Matters

Duration scaling extends effect uptime. Less recasting = more time dealing damage. Invest in skill duration passives.

Alternatives to Blood Boil

Similar skills — which one fits your build better?

How to Get Blood Boil

Source
Uncut Skill Gem
Vendor
Gem vendor after quest
Max Level
20
Resource
mana

Use an Uncut Skill Gem to obtain Blood Boil. These drop from enemies or can be purchased from the gem vendor once unlocked through the campaign.