Originally Posted by Lotus Noctus
That doesn't seem to be the problem either. I just tested it and avoided the waypoint. Arka and Memnos are still not there... As far as I remember, even during the skirmish they should already be leaning mournfully over Kanon, but as you can see only Zevlor is up there... Kaldani and Rikka are further back (not on the screenshot), hiding...

[Linked Image from i.imgur.com]
They have not turned up in any playthrough I've been involved in since I came back to the game. Sometime after patch 5? I thought they were removed from the game. I don't think I unlocked the waypoint first ever. If they actually spawn, then they must run away pretty quickly