support

Oisín's Oath

Supports Skills which Hit enemies, causing their Mana Leech to recover based on Elemental damage instead of Physical damage.

SupportLineageSpell
Tier
B

Good option that performs well in the right setup or as a levelling skill.

Cost
mana
Cast Time
Instant
Crit Chance
Max Level
1
Cooldown
None

Gem Effects

Mana Leech from Supported Skills recovers based on Elemental Damage Types instead of Physical Damage

Requirements

Primary:intelligence
Attribute scaling:intelligence-based (scales with gem level)

Best Active Skills for Oisín's Oath

Active gems that benefit most from this support

How to Use Oisín's Oath Effectively

Practical tips you won't find on the tooltip

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Spell Support

Designed for spellcasters. The damage bonus scales with gem level — prioritize leveling this support.

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Gem Level Priority

Support gem level often provides bigger DPS gains than you'd expect. +1 gem level gear is excellent value.

Alternatives to Oisín's Oath

Similar skills — which one fits your build better?

How to Get Oisín's Oath

Source
Uncut Support Gem
Vendor
Gem vendor after quest
Max Level
1
Resource
mana

Use an Uncut Support Gem to obtain Oisín's Oath. These drop from enemies or can be purchased from the gem vendor once unlocked through the campaign.