Stage 0 (New Mage) - That has a potential being a mage.
Stage 1 (Beginner Mage) - Can cast few 0 tier spell and can cast 1 tier spell (Low) Depend mana you have.
Stage 2 (Novice Mage) - Can cast a 1st tier spell and can only cast 2 tier spell (Low) Depend man you have.
Stage 3 (Intermediate Mage) - Can cast a 2 tier and can only cast 3 tier spell (Low) Depend on mana you have.
?????
//Notice: As you go into another stage the mana you used decrease by 50% as you go into upper stages.