E.R.B.

The E.R.B. (Extended Rainbow Bl$$\sqrt{-1}$$mp) has $$34ab$$ HP, where $$a$$=round number and $$b$$=the number of towers.

Stats
HP: $$34\cdot a\cdot b$$. Speed: 18 BPS. Immunities: Same as Extended Rainbow Bl$o^2$n. Resistances: Same as Extended Rainbow Bl$$o^2$$n. Weaknesses: Same. Spawns 4 Extended Rainbow Bloons. RBE: $$35ab$$+692. First appearance: