Mod requests (orders).

I don't have your campaign mods, so I'll just share my thoughts.

You need to check the animation files to see if they exist.
E81BD566-CB8A-4957-B10B-27F7D6C65F9C
1B165990-30D9-4E97-B321-D35E8D130651

If they exist, then it's the skeletons.
98DF0AE3-B2BD-40D3-9594-07199C85B445
135E06E0-0FBE-4FFA-8570-595F0F3855A6

If they exist, then it's the xdb animations.
_(BasicSkelAnim)\Effects\Cutscenes\DeathBerein\ file HeamAttack01.(BasicSkelAnim).xdb
_(BasicSkelAnim)\Effects\Cutscenes\DeathBerein\ file HeamAttack02.(BasicSkelAnim).xdb