Jack_of_shadows
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vadim_t, this is a story-driven quest; all the others can be completed without it, but the game won't end.
Have you tried placing a Beacon near the creatures? Even if it's just one, it's already a help, and if your Summoning magic is leveled up, the quest becomes much easier. You can also avoid relying on luck and analyze which portals you need to go to (they have a very simple movement logic if you figure it out) – then you'll have to run around much less. And having a large supply of movement potions can also help if you have the resources to craft them.