The Legend of Zelda: Monster Lock (fan concept)

Fan concept for The Legend of Zelda series.

Link's companion in this concept is a sentient lock named Talock. He was the one keeping close a chest (sentient too), where monsters where sealed but someone opened it, so he latched onto Link’s arm and refuse to leave until monsters are sealed again.
He comes with a handy set of base abilities (shield, grapple, hint system,…) from the beginning, but his main feature is the ability to turn monsters into items, allowing to expand the base toolbox of the player just by placing specific enemies in desired locations. Items can be tools to resolve puzzles or just be weapons for fights.
Due to its connection with monsters, the lock can also enchant monsters to make them allies, leading to the feature I want in the series for years: riding a dodongo!

Pretty happy with the shape I found for the lock as it fits all the uses I had in mind, gave me new ideas during the process and I feel it would easily carry its own original game.