There are an abundance of NPCs and side quests in Elden Ring, but for players looking to utilize magic, Sorceress Sellen's quest is a good one to tackle. Sorceress Sellen can be found early on in the game and is a disgraced member of the Academy of Raya Lucaria. Working with her awards multiple spells and gear, specialized for magic wielders. Here is how to complete Sorceress Sellen's quest.
You will first encounter Sorceress Sellen in the Waypoint Ruins in Limgrave, in an underground area. There she will begrudgingly sell you spells, but that's about it. You will need to advance to the Altus Plateau and Mt. Gelmir to really begin her quest.
Next you will need to find Primeval Sorcerer Azur, who can be found near Mt. Gelmir, southwest of the Volcano Manor area. In order to reach this area, you will need to approach from the southwest, starting in the Altus Plateau and work your way northwest. You will eventually have to do an entire counter-clockwise lap around Volcano Manor to get here, but if you use Torrent it is not too time-consuming. If you speak to Azur, he will give you the Comet Azur spell, one of the legendary spells and incantations in the game. Now, return to Sellen. Continue talking to her to learn about her exile from the academy and eventually she will ask you to journey together. Accept her offer and she will ask you to find Master Lusat and give you the Sellian Spellbreaker.
From here, you need to travel to the northeastern part of Caelid. This is located above Sellia, Town of Sorcery. You will find a small graveyard with a sorcerer in it, behind them is a hidden cave blocked by an illusion. Head inside to find Lusat. Advance into the cave until you find a section where you must walk across giant
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