User blog comment:AP Sejuani/Champion Rework: Zilean, the Chronokeeper/@comment-5077844-20141219212545

is the passive still work in progress? Because otherwise the detontion thingy doesn't make sense.

either way, I lke the W and the E, but i think the ult would be impossible to implement. slowing down projectiles is a really tricky thing. What about dashes? and stuff that makes you untargetable?