Puzzles and Survival: Ultimate Challenge 250 - Win!!!

Anyone who has searched for this video knows how addicting this game is.
I have been searching for months for a vid of a lvl 250 win to see if there were any strategies I could emulate.
So luckily I decided to record this attempt and on about the 9th try I pulled it off.
Quick shout out to ValenceRing for his super informative videos!
I thought this level was impassable so I hope this helps.
Spoiler alert:
This is currently the last level :(

[@18BaVIII]

You used the same strategy as mine : using the bomb on ephraim without cleaning the little ones to slow his rage. Then it's all about tile luck and having everyone at least red star I guess :D Well done!

[@vmaxxer1460]

don't you get it if only 1 hero doesn't have a red star??

[@David_Downs]

@@vmaxxer1460 get what?

[@vmaxxer1460]

I've done it now

[@ibekevo]

This level is so damn annoying.. I have people in my state that passed it with only one person with a star…. Lucky

[@losangeles7857]

I'm in the next one and there's no way

[@the121smashchampion]

I'm confused. In UC250, heroes are immune to agent x toxic bomb..

[@marcelnoack3286]

Nach wie vielen Monaten hast du es geschafft?

[@happycamperhotsauce216]

Ich habe vor 9 Monaten angefangen zu spielen

[@bradwilliams6478]

What level is your heros

[@David_Downs]

it shows on the video......

[@mortykrueger]

is this the last level?