So am I reading this right? When a PC gains a level they roll d8 equal to their new level and then gain 1 HP if the total is -less- than their current HP value? So if somehow a mutant with 1 HP survives, he cannot gain HP by leveling up? I almost feel like it should be if the total is -more- than the PC's current HP level, their HP should go up by 1, as that would increase the odds that very lucky players who started with high HPs would be less likely to gain more HPs as they level. As it stands now, if they maxed out their HPs upon starting, the odds they will continue to gain HPs remain high. Is that the intent?
Ah, I am just not parsing the language in the book the same as you meant it! "When a PC gains a level, they roll a number of d8s equal to their new level to find their new HP maximum." My brain processed that as "Roll d8s equal to their new level and then consult what we say next ("find") to determine the new HP maximum" and that's the part about rolling under. The "find their new HP maximum" is what threw me, as it suggested I was looking something up, which in this case, is if the number is lower than my current HP score or not! You might want to consider making that a little clearer. I might suggest "When a PC gains a level, they roll a number of d8s equal to their new level. Compare that to their current HP maximum. If it is higher, this result is their new HP maximum. If it is the same or lower, increase HP maximum by 1." That has a very clear if/then A or B argument, rather than -implying- A but stating B explicitly. Thanks!