“Heroes of Might and Magic V: Tribes of the East”

Rider, you would put Paladins on everything. On Nightmares, on Gargoyles, and on Archdevils.

How did you guess?:)

By the way, what's in the Ent's mouth doesn't look like seaweed. It feels like he ate something bad... and it made him vomit. And it just stayed hanging out of his mouth.