Ornn's E needs some serious fixes

Currently seeing a number of bugs with it going completely through some terrain (e.g. turrets) and not actually destroying any champion terrain (e.g. yorick or j4 walls are completely untouched). Was this thing ever actually tested? One of the most frustrating things is to use an ability that is directly stated as destroying player-created terrain and then doing absolutely nothing to it. Would love to see the unstoppable move from his W to his E as well, as that actually makes sense, but given how buggy it is atm I'd settle for it just actually working as described...