Chrono (Bloons: Pure boss)

Chrono is a boss on Bloons Pure's last set of special missions (Levels 300-333) on level 333. The description states

"Extremely powerful; made above ENTITY himself; the creator of the bloons. Pop every bloon that has existed."

HP: Without Crystal Shield: 1,000,000,000 With: 1,250,000,000

RBE: Without Crystal Shield: 750,000,000 With: 960,840,360

Rounds
You start with $99,999,999 and there are 21 rounds. Chrono is on Round 21. You have 10,000,000 lives.

Round 1 - 50,000 greens

Round 2 - 100,000 pinks

Round 3 - 126,000 pinks

Round 4 - 33,333 zebras

Round 5 - 62,000 zebras, 32,000 rainbows and 653 MOABs.

Round 6 - 1 ZOMG

Round 7 - 40,000 Supercharged Amber Bloons, 3625 Purple Bloons, 10,000,000 Micro Bloons, 5,000,000 Tiny Bloons, 1,000,000 .9 Bloons, 38 ZOMGs, 1 BLITZ.

Round 8 - 500 ZOMGS, 500,000 Regen Camo Supercharged Amber Bloons, 7000 Camo Purple Bloons, 50 SUPERBs, 25 BLITZs.

Round 9 - 5 KOALs, 700 BLITZs, 5000 SUPERBs, 20000 ZOMGs, 70000 BFBs

Round 10 - 15 koams, 22 MURDERS, 35 SHADOWS. 1000000 MOABs, 200000 BFBs

Round 11 - 7 Bloon Mark Ones, 300 EOALs, 7000 KOALs, 100,000,000,000,000,000 Tiny Bloons.

Round 12 - One BloonMarkThree, 500000 ZOMGs, 700 EOALs, 23000 KOALs, 100 quintillion Micro Bloons.

Round 13 - Seven BloonMarkThrees, 7,000,000 ZOMGs, 600 MURDERS, 6000 SHADOWS, 5000 EOALS, 123456 KOALs.

Round 14 - Apopalypse Bloon, T.M.A II, 8000 BLITZes

Round 15 - Genesis Bloon, T.M.A III, 60000 MURDERs, 9000 EOALs

Round 16 - Dimensional Bloon, ARIA, SPICA, Raus, NeoBloonThree, Omega Bloon.

Round 17 - 8 Super Bloons, 12,000,000 EOALs

Round 18 - 750 Super Bloons, 24,000,000 EOALs,

Round 19 - 1 MUD (Multiverse Destroyer)

Round 20 - ENTITY, Dimensional Bloon, Genesis, Apop, ARIA/SPICA, NeoBloonSeven x5

Round 21 - Chrono, 75 ENTITYs.

Abilites
BloonSummon - Summon 5000 copies of Apop.

Monkey End - Deal 50000HP damage to all monkeys within 50m.

Alliance - Make 90% of your towers on the bloon side for 1 second.

Boom - When there is less than 1% health left, it explodes, killing all monkeys within 500m (33% of the track))