1) Grundstock hero - hunter for heroes/monsters
2) Separate Arcanaut unit based on weapon equiped (skyhook - hunters, volleyguns - supressors, skypikes - breachers)
3) Big aether charged costumes (maybe even behemoth size)
4) Floating garrisoned outpost
5) Floating heroes
6) Ogor mercs with Aether powered armour and melee weapon
7) Grundstock battleship (can't transport units, but have a good damage potential)