devtrackers.gg
Just put this in as a bug. hopefully we can get braum to share his thoughts on these guys in a future patch.
It is no bug, it's just that braums voice over was finished before rising tides/call of the mountain. You won't grab yourself a voice actor just for 2 updated lines. Maybe in the far future there could be a VO update for everything, although kinda unlikely.
don't tell me what we won't do ;)