A complete Thunder Breathing progression reaches Level 225 by combining early story quests with Final Selection, weapon upgrades, dungeon runs and a private-server world boss rotation.
Follow the Project Slayers 2 quest route from Krue and Tom through Wagwan, Final Selection, Iceveil Valley and endgame bosses ...
Here is the list of all new Slayers 2 codes that you can redeem for free currency, spins, and even skill reset.