Recommended level: 1500+ | Difficulty: high
After completing the quest you gain access to hunting spawns: Hener, Mantykora, Gabriel, Demeter, Wolverine, Slave, Malzahar, Phoenix.
You can also buy a ready scroll in SMS Shop (Gifts) – Myxic Quest (use on your character).
You need 10 items from tasks (rewards marked in red):
Min. lvl 1500 | Kill: 500 | Reward: 151.2 mln exp, 50 gold ingots & yellow candlestick

Min. lvl 1500 | Kill: 500 | Reward: 363.7 mln exp, 60 gold ingots & Map to the Unknown

Min. lvl 1500 | Kill: 500 | Reward: 111.2 mln exp, 40 gold ingots & universal tool

Min. lvl 1500 | Kill: 500 | Reward: 201.2 mln exp, 55 gold ingots & baby rotworm

Min. lvl 1500 | Kill: 300 | Reward: 29.2 mln exp, 25 gold ingots & heavily bound book

Min. lvl 1500 | Kill: 750 | Reward: 414.3 mln exp, 55 gold ingots & soul contract

Min. lvl 1800 | Kill: 750 | Reward: 564.3 mln exp, 60 gold ingots & norseman doll

Min. lvl 2200 | Kill: 750 | Reward: 826.8 mln exp, 75 gold ingots & leviathan's amulet

Min. lvl 3000 | Kill: 500 | Reward: 951.2 mln exp, 80 gold ingots & Almanac of Magic

Min. lvl 4000 | Kill: 1000 | Reward: 2.3 mld exp, 135 gold ingots & odd hat

When you have all red rewards, go to sTicket area (like sPromo), west and south. Talk to NPC Myxic: hi → myxic → yes.
