Ability went on full cooldown between charges instead of getting reduced. The post game tooltip says it is supposed to go on a 0s cooldown, but in game it was bugged. The ability acted as if it had no charges.
Match id: 53823611
Tested using lady geists malice.
Headshot booster does flat 40 bonus damage which is not amplified. This also affects mystic burst.
first image is damage with headshot booster second picture with it on cooldown.
Cold front damage is amplified.
items tested
damage amplified:
withering whip...