Which monster did you fight?
I fought Hantu Yeti Destroyer [9], started with my Phanter
09:14 You have attacked Hantu Yeti Destroyer [9].
09:14 Fight begun: Attack on Hantu Yeti Destroyer.
09:15 Fight ended: Attack on Hantu Yeti Destroyer.
09:15 After defeating a bloodthirsty monster in a fight, you have received Panther Essence 8 pcs.
09:15 You have received 16 5.
After that fight I had 400 Essence so switched to my Wolf Cub.
09:16 You have attacked Hantu Yeti Destroyer [9].
09:16 Fight begun: Attack on Hantu Yeti Destroyer.
09:17 Fight ended: Attack on Hantu Yeti Destroyer.
09:17 You have received 17 25.
As can see, no essence, actually tried a 2nd time to make sure and nothing, then switched to another pet.
09:21 You have attacked Hantu Yeti Destroyer [9].
09:21 Fight begun: Attack on Hantu Yeti Destroyer.
09:23 Fight ended: Attack on Hantu Yeti Destroyer.
09:23 After defeating a bloodthirsty monster in a fight, you have received Little Scorpion Essence*8 pcs.
09:23 You have received 17 36.
And got essence there so continued with my Scorpion instead of my Wolf Cub.
Do you have the Elixir of Ghostly Vision?
Yes.
Beuwolf