How to evolve warrior, w.mage, b.mage, and thief

Answer from: Yosua
Use rat tails to change your warrior into knight,w.mage to w.wizard,b.mage -> b.wizard, thief -> ninja....... but u need behamut on dragon cave to mchange all your character......

Answer from: Jun Woo, Park
Where can i get them?

Answer from: Yosua
Are u know citadel of trial? that place so made me confuse,because if your party on lv 25 or less, you'll need 50 gold neddle...... for u know, that place has 2f..... that palace has enemy, but the enemy much on 2f of that palace....... for you know,90% of that enemy on 1f is undead, like minotaur zombie,dragon zombie,on 2f u need to becareful, because much enemy on that floor is medusa/rakshasa..... medusa and baslisk has gaze magic, it'll make your ally into stone!!! so becareful! oh yea,first u must give crown to people on that palace...... 1f, it's like labirine...... u know labirine? that's the place you need to smart to trough the teleportasion, because if you false to chose that teleportasion, you'll be teleport to the first again! becarful..... oh yea, citadel of trial is on west wing of hawk....... it's mean on south west of gaia, go to that place by ship! don't use airship if you don't want take long time to get there! port your ship on some river....... understand?

Answer from: Yosua
For u know, citadel of trial isn't must place you go.... if you don't want to that place,you can still continue that game.......

Answer from: Kitz
@Yosua: What the name of that palace?