Diamond Axe with Fighting and Gathering enchantments.
Note: Minify the command to avoid issues :)
Diamond Sword (not too OP)
Diamond Pickaxe (not OP)
Diamond Axe (not OP) (gathering and fighting Axe)
Bow (not OP)
GOD SWORD!
GOD SWORD! 1.11.2
The Super Sword
OP DIAMOND SWORD!!!