Talk:Magus Elevate/@comment-137.104.249.42-20180102232951/@comment-25254386-20180103150942

In short, no, the chances are not simply additive.

As lone Tenno above explained, with two R4 Elevates there's a 37.5% chance to get only 200hp, 56.25% chance to get 400hp, and only a 6.26% chance both don't activate. So 300hp on average which is pretty nice.