Casting an ability causes the needles from that ability to stick in damaged units for 5 seconds. Damaging a unit with a different ability causes the needles stuck in the enemy to rip out of them, dealing bonus magic damage equal to half of the damage done by the ability that lodged them there. This effect does not stack with itself.
Needle Weaving is a self-buff ability.
Active: Uka throws a barrage of small needles at a target enemy, dealing physical damage to them 10 times at 0.05 second intervals.
The passive will both cause extra magic damage on attack by proccing her passive ability and make her next ability do damage based upon the damage done by Needle Rage's passive.
Active: Uka throws a chain of needles in a target direction, dealing physical damage to the all enemies hit, then pulling herself to the first enemy champion or neutral monster hit, dealing additional physical damage.