Don't loose hope...Miranda is coming soon...
Plat Heavy Armour Miranda is one of the best farm event units of Aigis so far...she is a must have heavy if you don't have Gellius or better...
Her AW90 stats with prince buff can even tank completed Mithiril Golems..
If ever B.Iris comes to nutaku then with her 10% def buff and Skill...Miranda has above 4.5k effective HP (def+HP.)