In Maplestory what are all the job advancements for a magician

Being an almost 4th job advancement magician (Priest) myself...

Level 8: Magician

Level 30: Go to Grendel the Really Old in Ellinia Top House and accept the advancement task. He will tell you to go to the Forest North of Ellinia. Go all the way to the top of the forest to find an NPC. Complete his task by collecting marbles in the room he teleports you to. After completion you have 3 choices: Fire/Poison Wizard, Ice/Lightning Wizard or Cleric.

Level 70: Go to Grendel the Really Old who will give you your advancement task that sends you back and forth to the 3rd job advancement house in El Nath. You later be told to go to the El Nath mountains to find the Hold Stone in a hiddenstreet map and answer it's questions about random things in maplestory that ranges from potions, equipments, skills, area names, monsters, NPCs and etc. Continue your quest and you will get to a point where you have to kill Grendel's monster clone yourself. Make sure you are buffed with spells, bring at least 50 all cure potions and a lot HP/MP potions. Fire/Poison Wizards become Fire/Poison Mage and Ice/Lightning Wizards become Ice/Lightning Mages. Clerics become Priests.

Level 120: Go to El Nath and talk to your 3rd job instructor. He will tell you that you have to go to Leafre and talk to your 4th job instructor From there you will complete a few quests and he will tell you to either choose the "Brave way" to complete or the "smart way" to complete. The difference is the "brave" way requires you to kill Manon and Griffy until you receive their common drop item. The "Smart" way requires you to go to Ludi tower, Buy a scroll costing 10 million messos and turning it in to the chief in Leafre. Fire/Poison Mage become Fire/Poison Arch Mage, Ice/Lightning Mage become Ice/Lightning Arch Mage, and Priests Become Bishops
Level 200 is the maximum level that can be reached. Good luck, train hard, have fun and I hope this answer helps you ^-^