Funnier way of saying it....
1-2 Pathatic
Cant really hurt you, these powers are harmless
2-3 Almost but not quite useless
These powers are more powerful but not to the point that you have to care
3-4 Usefull
These powers are usefull but not dangerous
4-5 Average (in superpowers anyway)
Not quite dangerous but not useless
6-7 Dangerous
These powers can be dangerous, Be careful
7-8 Warning
Powers like this can cause severe harm to people if used carelessly
8-9 RUN!!!
You should run now realllllly fast
9-10 You better hope this guy/girl likes you
Get on your knees and beg, You are bugs to people with this power
10+ Unstoppable
There is no hope these powers are completely unstoppable
“She'd become a governess. It was one of the few jobs a known lady could do. And she'd taken to it well. She'd sworn that if she did indeed ever find herself dancing on rooftops with chimney sweeps she'd beat herself to death with her own umbrella.”
― Hogfather