Deathly Grimm {HP x Merlin}
Merlin had been told to find the 'Deathly Grimm' and they would help him with his mission. However, he didn't know what the 'Deathly Grimm' was or if he was supposed to trust it. Who names themselves the 'Deathly Grimm'? Then he gets told it's a Peverell, which doesn't help his opinion, aren't they associated with dea...