Magic Blue Flame +5, (Any) Rebel's Great Shield, Any Staff (Advised to use Staff of Amana), Ruler's Sword (cause why not)
Hexer's Hood, Engraved Gauntlets, rest is up to you
Crystal Magic weapon, Soul GreatSword, Strong Magic Shield, Great Heal (For invasions)
This build can be both tank and DPS. You MUST enchant your Blue flame with Crystal Magic Weapon to make your casts with it, stronger.