You are right, the damage cannot be avoided, but it can be mitigated. Just like gaz'Haragoth ultimate attack is Energy based, it cannot be avoided, but it can be reduced by a energy protection set. Outburst UE also has its own kind of damage, which can be reduced by the correct equipment. My question is exactly about it, what kind of damage is it, so i can prepare and reduce it as much as possible.
PS: wasn't me who downvoted you.