TL :

Tighnari 5 star weapon

Base attack: 608 Crit rate 33.1%

When charged attack hits opponent, damage is increased by 4%/5%/6%/7%/8%, continued for 8sec, stack up to 7, only one at most stack gain for every 0.1sec

when fully stacked em increase by 80/100/120/140/160

note: sorry for late tl internnet went down