Don’t you think this reward is way too op? Like, there would be no point in saving up too much keys to get the best muller or bomber ship in this case, because T99 would be the source for them.
I’m not sure what I can say about this one, but, if that X amount of damage is the same everytime it gets reached, then keys and lives would be grindable.
That would defeat the valuability of CHL, because people wouldn’t bother to purchase CHL, but rather try hard on completing hard milestones to get the things of CHL.
Your idea generally is not bad, but the rewards written are really op.