This will always be both bizarre and hilarious -- what really sells it is the muted background music. It's just a man dancing for the amusement of a demon possessing the child.
Ah yes, the quest that doesn't entirely make sense given that you already used the fisherman's speedboat to go to Misty Island which is the whole reason you're collecting power cells in the first place. But hey, it's an excuse to see Kevin Conroy as a fisherman so I'll take it.
The Mythal Flemeth character has always been villainous in Dragon Age it has never been an antagonist to the protagonist. She did save the heroes in Dragon Age 1 and 2. It'll be interesting to see the remnants of the Mythal Flemeth character in Dragon Age 4 and decide their fate.
Braun was eventually going to get bored... hence his over joy of two new playmates.. The failsafe was like eventual suicide code as explained in his notes.