User blog comment:CLK3/Fabulous GEMS and Taric rework release/@comment-26186030-20160407012958/@comment-7481207-20160407145602

Neither his E nor his ultimate have channels, only cast delays, the mayor difference being that you can still move and use other abilities during the delay. Most notably, if your bastioned ally has a dash, they can use it to line up the stun. And the ultimate will still work even if your ally moves out of W's range, meaning that it could be used with long distance gap closers, i.e. Pantheon's, Twisted Fate's and Shen's ultimates. That might not be that easy to pull off though.