Does the damage of the "Gem of Efficacious Toxin" stack?

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Does gem of efficacious toxin stack?

This gem causes any attacked enemy (regardless of the Proc Coefficient of the attack, skill or spell) to suffer Poison damage over time. This effect is renewed by further attacks, but does not stack.

How good is gem of efficacious toxin?

Gem of Efficacious Toxin is +10% damage & -10% damage by enemies. The rank based poison damage will eventually become irrelevant, except for speed runs. Bane of the Stricken at rank=150 is +2.3% damage. So takes at least 5 stacks for that to match GoET.

Does gem of efficacious toxin Proc essence of anguish?

The Gem of Efficacious Toxin makes your hits poison the enemies then they take 10% increased damage from poison and deal 10% less damage. The Essence of Anguish When you deal poison damage to an enemy, they receive 50% increased poison damage from all sources for 10 seconds.

How does pain enhancer gem work?

Pain Enhancer is a Legendary Gem in Diablo III. It can only be socketed into Amulets and Rings, and drops from Greater Rift Guardians. This gem causes Critical Hits to apply a Bleed effect to the enemy.

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Diablo 3 RoS 2.1 : Gem of Efficacious Toxin Explained by Maximus Grahamicus

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