Lesser Fortress

The Lesser Fortress is the absolute first BTD6 Fortress. It comes at round 58, and releases 2 B.F.B.s. This is to get you ready for the more powerful Floating Fortresses and Multi-Part Blimps, moves at BFB speed, and has a total of 1000 HP.

Parts
Core: 400 HP.

Shielding Obiters: 200 HP each. 2 of them. Each one that is destroyed, the blimp moves 0.25 speed faster.

Thick Bloon Shield: 20 Pink Bloons orbiting the Shielding Orbiters.