Dead mobs hitboxes are massive. I've managed to work out targetting players in fights, some mobs are tricky still. but as soon as a mob dies, the hitbox seems to double and you cannot click a player near a dead mob.
This is my camera angle to target (Nox) the player tanking.
With tall mobs, like Stags and Wolf Boss, the aggro'd player (Tank) sits between the front legs naturally, it's where the mob will stop their movement. When this happens, it's impossible to target the player, even with camera angle to the floor. On top of this, targetting around spiders is incredibly difficult too, due to their mass of legs the hitbox is huge for them
Adding to this: The spell Sanctuary (AoE Heal) is only visible to the player who cast it. Unlike the AoE Damage spells from mage which are visible to all. I think the AoE Heal should be visible to everyone.
Hi there! Thank you so much for the detailed report. I've just posted. a new patch for the game and it should address much of what you've described! I hope you enjoy!