50% or 75% ?

[Zai]

I wonder if it requires 50% or 75% of boss damage, made by one person, to reach 181k points in grim nexus stage 20 ?
 

Maybe 200k is reachable with 100%, who knows !

 

[Saito Sacchi]

xD alot of free time and boredom, I'd say. Fast run too obviously and little to no dmg taken.