Maximum Myriam Once you start up Act 5 you will acquire the Mystic
To get the Mystic to level 12 you will need a bit of gold:
Level 2 - 500 Gold
Level 3 - 1000 Gold
Level 4 - 1000 Gold
Level 5 - 1000 Gold
Level 6 - 1000 Gold
Level 7 - 1000 Gold
Level 8 - 2000 Gold
Level 9 - 3000 Gold
Level 10 - 4000 Gold
Level 11 - 4000 Gold
Level 12 - 5000 Gold
23,500 Gold total