Arcane Mastery is the Tier 3 upgrade of Path 1 for the Wizard Monkey in Bloons TD 6. It enhances all of the Wizard Monkey's aspects, increasing attack speed, damage, range, and pierce. Arcane Mastery is a very cost-effective tower that both cleans up bloons decently and can ignore Line of Sight. When paired with Wall of Fire, Arcane Mastery can utilize the guided Walls of Fire more effectively. BTD6 game cursor with Arcane Mastery.