Oof yeah there's gotta be resentment there too considering the whole 'murderer' attachment thing
Are there any visible signs that a character is being actively possessed? Would it be possible for an attachment to try and hide that they're the one in control for whatever reason (revenge, curiosity etc)
It's always pretty obvious from a visual standpoint (For example glitches, black eyes, distorted faces like in-game, etc)
The only way to hide the signs is trough passive possession, tho theres always some sort of glitch
Have a visual example:













