I think attacks from a frost staff should have some kind of bonus if attacking a unit in water. Maybe a small chance to freeze? It's useful to use frost magic in water to create tiles you can stand on safely from receiving an instant crit but it sucks that they don't get any bonuses.
Can you clarify the conditions for transferring enchantments on equipment? I'm looking at a +2 charm that I want to transfer to some armor and I can't.
I've noticed this for a while but, in rooms where after X many turns the treasure room door closes, there is a switch located in the room. However, you can't activate the switch (which I assume prevents the door from closing). Can't say I care whether the switch is there or not since I grab all the loot upon seeing it or not but I'm guessing that's a bug.
After using a scroll for a charm, equipping it didn't even give me the option of activating it. Refreshing the game didn't fix the problem. It didn't persist after that run though.
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Sounds like a bug. There should never be any requirements for equipment.