Magni the Agrint says he is in a great deal of pain. Get him some Basilisk Scales and Fins, which are known to contain agents effective in relieving pain.
Step 1. Hunt some of the Red Scale BasiliskA Basilisk that lives around the Red Lava Cliff.s and Lava BasiliskA Basilisk that lives around the Red Lava Cliff.s, then bring their scales and fins to MagniAn Elim at Red Lava Cliff in Morheim. He became an Agrint but was cured by a bolt of lightning.. (You need to collect: Basilisk Scale)