The Depths of Magic

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You are a wizard in search of magical knowledge and power, and have arrived at The Dungeon in search of such things.

The Dungeon's own magic spawns guardians: Bugs, Imps, and Demon Dogs. But, some of that magic lies behind each door for you to claim as your own.

The Dungeon's magic is dark and powerful, and your greed grows as you delve, becoming unable to leave.

How far into the depths will you get before you succumb to the magic you have made your own?