Theda spawned at first Judgeray.

About Safat, I've never seen that shadow... where did you see that ?

News about Brontes and the buff theory : I've walked for more than two hours with the buff, got nothing. Then I started to eat food every 30 seconds, and Brontes spawned after 20 of them right when I got a new buff. So I guess it's not the buff but eating...