Bonechill Support

Bonechill Support is a Support gem that grants the supported skill more cold damage and increased chill effect. Enemies take also increased cold damage from all sources based on the magnitude of the chill effect applied by the skill.

Skill functions and interactions

The chill must be caused by a skill, regardless of whether the cold damage originates from a piece of gear, or the skill gem itself. If the enemy is affected by multiple sources of chill, (for example, Vortex both hits and creates a chilling area) only the strongest chill magnitude will be taken into account. Notably, sources of chill such as Aquamarine Flask will not provide a damage bonus, since a flask is not a skill (thus cannot be linked to support gems).

Chill, and therefore the effect of Bonechill, is capped at 30%. A chill that reduces Action Speed by 14% will cause the enemy to take 14% increased Cold Damage. Since freeze is considered a separate ailment, it will not impart any additional damage bonus.

Similarly to Combustion Support and Maim Support, Bonechill does not need to be linked to the player's main skill to apply its "increased damage taken" effects. This means that Bonechill can be applied by a secondary utility skill that activates on Cast when Damage Taken Support (such as Vortex or Cold Snap), while the player's main skill uses a more powerful gem such as Elemental Focus Support.

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