Forge 36.1.15
Not Enough Animations 1.2.4
TRansliterationLib 1.0.4
Mowzie's Mobs 1.5.18

When performing Axe's swinging attack (both horisontal and vertical ground-smashing attacks) the arm gets shoved in front of the camera. Pics below:

Horisontal swing:
3rd person

1st person

Vertical ground smash:
3rd person (hard to capture):

1st person (in the upper part of the screen)