Claidheamh

One of the 5 legendary swords with spirits inside them. Not craftable or enchantable, but only one can be found in the world per save file. It has infinite durability, and +15 ATK. Will spawn as a sword stuck in a stone in a small temple. As the player approaches it, it will turn into Embodiment of Claidheamh - Ressa, a boss that you will have to defeat in order to obtain the sword.

As long as this sword is in hotbar, gains Fire Resistance, Health Boost of 2 hearts and Regeneration 1 if on fire.