This is a video of Thousand Slashes in DBOG before it was changed.
It was nerfed because i agree it was too OP but i think it is still a bit underpowerd right now but thats just my opinion.
The only relevant 1k Slash skill is burn though, like.... if someone dies because they don't have antibleed, it's not really the skill that's so OP.
I'd like to quote from one of my other threads:
The Video shows a 1K Slash of 29.954 ( 70% DOT Explosion Damage )
29.954 * 1,30 to show the 100% DOT Damage = 38.940
38,940 Total DOT Damage / 30 Seconds = 1.298 Bleeding DOT. (He actually takes 1.314 Bleeding in the Video)
Now in your video you stacked Dodon Barrage + Dodon Ray which did 1.289 and 1.149 damage each. Not to mention your 1k Slash critted and both DOT last 1 minute. And that abdominal pain lul
1.289 * 30 = 38.670
1.149 * 30 = 34.470
= 73.140
73.140 * 0.70 = 51.198
1K Slash should do 51.198 non crit damage, but it does like twice as much in your video, so I think the damage is a bit off or you had energy crit % on your fan?
Anyway, the damage of 1k Slash is mad low tho.
I mean if you check the retail DBO video I posted above, you can clearly see it was no different in TW.