Modular suit

Guardian: AC 20+INT, DISADV Stealth, No prone or pushed forcibly, Reaction: You or a Creature within 5ft is forced to make a STR/DEX save from a spell, reduce damage by 2d10+INT+your LV
Assault: AC 18+INT, bonus action to dash or disengage, when a creature misses, reaction to make a melee attack and add 8d8 force damage
Flight: AC 16+INT, +10ft movement speed, opportunity attacks are in DISADV. Bonus Action to activate arcana propulsion to get a flying speed = to your moverment speed