A complete shower thought about karthus
What if during his ult, he has a skill check that appears in place of the channel time bar, and he has to hit the r again correctly in order to do more damage?
My thoughts: (before you downvote this, this is completely for fun and creativity and not a RITO PLS ASS DIS REEE)
+/- 30 ms = perfect skill check, deals 50/100/200 more base damage and ap scaling changed to 80%
+/- 60ms = good skill check, deals -50/-100/-100 base damage and ap scaling unchanged
+/- >60 ms= missed, deals miserablely low damage and only 50% scaling
The perfect time mark will appear between 1-2 seconds into the channel
If you have no idea what I just said, it’s kinda like the combat system of undertale (sorry, that’s the only example that I can think of xd)
At least instead of just staring at the impending doom you can hope he screws up the skill check and lets you live on 1hp lol