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Item Stacking

Item stacking refers to how multiple items with similar effects interact when equipped together. Some items stack additively, some stack multiplicatively, some share cooldowns, and some do not stack at all.

Item Stacking Examples

Examples of how different items stack when multiple copies are equipped.

ItemstackingEffectNotes
RiftshardsMultiplicativeHaving a second Riftshards boosts the % chance to proc a Critical from 20% to 36%Critical damage is not influenced. If the two Riftshards are different levels, the highest damage critical takes precedent.
BrutalizerMultiplicative with shared cooldownThe chance to proc a Bash with 2 Brutalizers is 43.75%The Brutalizers share a cooldown. Brutalizer also stacks for higher proc % with Pestilence's innate Bash.
Grave LocketMultiple instances possibleIt is possible to have multiple charged Grave LocketsEach one must be charged individually by leaving the already charged one(s) in the stash or on the ground.
Mock of BrillianceDoes not stackMultiple Mocks of Brilliance do not stackEither per distinct enemy hero or illusions, such as Sandwraith ultimate.