Surging Frenzied Flame
A tool that uses FP to set a stone on the ground, which then spews frenzied flames around it.
Where to find it
This is a craftable item, so you make it yourself from crafting materials once you have the right cookbook. Exact recipe and cookbook details are not yet covered here.
Item description & lore
The stone is a spiritgrave burned by frenzied flame. Spirits are meant to be eternal, yet this flame melts them away, which is why the hornsent forbade it.