That is where the quest ends for now and will continue in 1.9 or 2.0. I am not sure if it is a bug though that this dialogue is stuck in a loop not allowing the player to hand in the experiment items anymore. So hopefully something to address this in 1.8B
ya man before the drop off you need fuck celeste,astrid throough new minigame of hers,werewolof in snowy mountains to obtain respectively vampire spit,celestial spit and werewolf hair
