Chimera Ram form trial bug?
The trial calls for blocking debuffs 5 times. You can see below that he just used his stun move:
You can see from the below two screenshots that all four of my champs have block debuffs:
The stun hits all targets other than the main one, so three of my four champs should be getting stunned (or, not, since it's blocked). However, only two stuns were registered: