In the Sellia Town of Sorcery in Caelid, you will see a door locked with a blue seal as shown in the picture below. This guide shows how to break the but seal to unlock the door.
How to Unlock Sellia Town of Sorcery Door Seal
To unlock the seal you will have to light torches in 3 towers around the map. In from of the sealed door, you will see a glowing tree with a Gloden Seed next to it. Tower 1 is in front of this glowing tree as shown in the picture below.
Jump down on the branch in front of the glowing tree. You won’t be able to reach the ladder of the tower by yourself. Summon your horse and use it to jump and reach the ladder as shown in the picture below. Climb up the ladder and light the torch on top of the tower.
Climb down the ladder and summon your horse again. Double jump to the roof in front of you. From there, jump on the roof on the left side as shown in the picture below.
You have to go to Tower 2 as shown in the picture below. Jump from roof to roof to reach the tower. Climb up the ladder and light the torch on top of the tower.
Climb down the ladder and summon your horse again. Double jump to the roof in front of you. From there, jump on the branch on the left side as shown in the picture below. Walk on this branch to reach the tower and light the flame. Once the three torches have been lit, the seal will be broken.
Thanks!