Before patch 1.15, Koshka was already a very out-balanced hero: her mid to late stage game was basically a joke: low survivability in group fight and easy being targeted. The only way she contributes to the team at the later stage is chasing enemy after a group fight. It's clear that, besides the early pressure she could offer, Koshka was a decorative hero for the team. Now after patch 1.15, this hero is completely done. The huge cooldown nerf kills her both aggressive skills and...