Yeah, I mean, I don't know what I expected... Every single time I come to this kind of manhwa in search of steady progression and clever tactical play to balance low 'stats', and every single time it's just a mindless power fantasy with no risk, no stakes, and no intrigue.
This probability thing will most likely be completely meaningless. As long as it's not 0, the MC will always succeed. Look, I'd be more than happy if they prove me wrong, but so far it's pretty typical. The only thing we're missing atm is his ex team members suddenly struggling at the missions they used to breeze through.