X.L.

The X.L. is a bloon with 250 hp, moves at the speed of a yellow, contains 5 Ls, and is the child of the X.X.L.

Round Text
round 56: X.L. is coming

Round 86: 10 X.L.s at the start

Round 98: 27 X.L.s are at the end

round 145: last round with natural X.L.s and there's 100 of them