Quote Originally Posted by Rongway View Post
This would be a damage loss because it's one less Dualcast that gets used on a Verslowspell. It wastes Impact and puts you in a worse position by leaving you with Jolt.

Jolt->Impact->Verslowspell = (240+270+310) potency / (3 GCD) = 273 potency/GCD
Jolt->Verslowspell->Impact->Verslowspell = (240+310+270+310 potency / (4 GCD) = 282 potency/GCD

And
Swiftcast Impact->Verslowspell = (270+310) potency / (2 GCD) = 290 potency/GCD
Swiftcast Verslowspell = 310 potency/GCD
It's to address their mobility issue.