the basic idea is - the character has the ability "Rot", using which provides negative status effects. deals damage to user and some other stuff. Infection allows to change one enemy' ability to the current rot ability. the rot ability is removed when that ability is used or duration of the buff...
the idea of this thread came after running mass slow trophy collector alch fire warden build, with alch the size of the whole mid arena. I thought "wouldn't it be cool to make alch fire do more that this rn?" the way scroll applies a stun on ult activation, what if I build up stun after dealing...
maybe an item that allows to imbue active items with extra effects/properties. The basic upgrades could just extend duration, lower the cooldown or increase reach. But something more fun could also be added, like an echo that doubles the effect after the item' activation. Like "divine barrier"...