Open where-fore opened 11 months ago
Thanks to a PTR log from Cookie on September 28th with a Normal Black Bruise, we can confirm all the damage characteristics outlined above.
Magic Damage Debuff: This specific trash fight included a Necrotic Touch pre and post magic damage debuff, and we get exactly 9% post mitigation pre and post debuff.
Over the entire log there are 0 instances of a Necrotic Touch crit out of 4391 damage instances, so I think it's safe to say it is unable to crit.
Black Bruise is a main hand fist weapon from Icecrown Citadel with a unique proc. Let's see how it works, with our expectations set by some historical sources.
Given it's an "Equip" proc, we expect the buff to be triggered by attacks from both hands, increasing uptime. This behaviour is being tracked with other "Equip" procs in this issue here.
As a baseline for our expectations, this Wowhead Comment sums it up well: