Once you acquire the Comet Azur from Primeval Sorcerer Azur in 's Mt. Gelmir, you can return to Sorceress Sellen to begin her questline, and the first task will involve finding Master Lusat. She will give you a Sellian Sealbreaker, an essential Key Item for locating her former tutor. The key itself is a massive hint and will let you know where to start your search in Sellia, the Town of Sorcery.
You can find the town northeast of the Aeonia Swamp, a little of the center of Caelid. If you haven't explored the area, you can quickly reach the location using the teleporting Trap Chest within the Dragon-Burnt Ruins. You will be instantly transported to the Sellia Crystal Tunnel, located relatively close to the northwest of town. Master Lusat is not actually in Sellia but instead locked away in the Sellia Hideaway, a mine accessible through an illusory entrance atop the eastern hill of the Town of Sorcery.
To enter the Sellia Hideaway and find where Lusat is in, you must head up the trail beginning at the Sellia Backstreets Site of Grace. Be wary of rolling ball traps and undying skeletons that spawn along the way. After reaching the Church of Plague, go north to the graveyard and strike the rock behind the cemetery's center to reveal the hidden cave entrance.
Having trouble finding the hidden entrance to where Lustat is in? Watch the YouTube video from Pimperville2 Gaming below to see just exactly where to locate the secret entrance to Sellia Hideaway!
It is highly recommended you venture into the Sellia Hideaway with a lantern, torch, or illuminating spell, as the tunnels are exceptionally dark. Another illusory wall will be blocking the path, yet you will likely realize this as the crystal-mining enemies nearby will be somewhat loud. The first large area you will encounter has a pit with a Grafted Scion scurrying about its depths. Those who wish to battle the fiend and loot several items can drop down and do so, yet the pit that holds Master Lusat in will be the one in
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