100k damage should be easily managable for most players that have been around for a while. But, just look through the raidbosses available, and you'll see plenty where the one who spawned it didn't even deal a SINGLE point of damage.. Sorry, but fuck that, I'm not going to give them some free "finder reward".
Too bad to those who already put some raidpoints in on such bosses, but I'm not going to help them, they can easily investigate whether the spawner is a leech or not. It's not like those bosses are gone within the 10 seconds it takes to check that participants list.
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Reducing a raid bosses' activation rate may be somewhat useful in increasing your survivability, but I suspect his debuff squad revolves more around the ATK-debuff ability found on Bonci, Cherry, Cherry Sage, Pitahaya and Dahlia.
Hmmm, my Bonci is already in use on my Counter Squad (300-500k damage to the lvl 90 Snow Beetle, my other three squads combined don't even fare half as well!), but maybe I should level my Cherry Sage and put her and Dahlia together with some dodge girls in a new squad.