support

Expand

Supports Spells you cast yourself, increasing their area of effect when cast. Cannot support Channelling Skills or Skills with a Cooldown.

SupportSpellAoE
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

Supported Spells gain a Seal every 200% of cast time, to a maximum of 3 Seals

Supported Spells are Unsealed when cast, and their area of effect is increased for each Seal lost

Supported Skills have 30% increased area of effect for each Seal lost

Requirements

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

Best Active Skills for Expand

Active gems that benefit most from this support

How to Use Expand 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 Expand

Similar skills — which one fits your build better?

How to Get Expand

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

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