Just the destruction part :p
If Gretal didn't meet Wakana and let herself fall into solitude and into the army, Crystal and Stella were rebellions but without Gretal's power, they died of old age and their descendants took over
Start of their life in another planet
After winning an elimination tournament by being the last person standing, she is promoted to foot soldier and joined her first crew.
But not without loss of a new crew, oh well, more to lose so don't get too attached!
Much to the displeasure of Gretal who was a captain at that time, a better captain apparently since her first team only had one replacement and is still her team at this time