CurseForge: https://www.curseforge.com/minecraft/mc-mods/expanded-axe-enchanting/
SmushyTaco/Expanded-Axe-Enchanting
This mod allows you to use Fire Aspect, Knockback, and Looting on an axe.
KotlinLGPL-3.0
This mod allows you to use Fire Aspect, Knockback, and Looting on an axe.
KotlinLGPL-3.0