Talk:Void/@comment-2605:6001:E0C8:A000:A953:B1D3:36B:5E69-20190509041726/@comment-141.5.38.12-20190905134957

It does NOT need to be a normal mission. I played Charybdis without unlocking Selkie first simply by doing the Hidden Messages quest.

Afterwards I was able to play a normal mission on Kelpie and after that to proceede to Aten.