A first generation supersoldier program, Dynamo Atlas was a success, and there are still a good number of these 'titans' alive and active
"Are you lost in the frost?" A lone giant speaks, a cloud of chill air escaping his blue-lipped mouth.
In the distance, through a thick fog, you can see more of them coming out a cave lit by blue light. Almost like a portal to the netherworld is it’s eerie glow. You can feel fear growing in your belly. These aren’t normal giants. Their skin is blue, their hair and eyes silver. Stone jewelry hangs about their bodies making them look like brickwork monsters.
"Tiny man," The leader speaks, icicles breaking and falling from his jowls. "What brings you so far north?"
You find a patch of edible funghi. They taste well and all, no ill effects. UNLESS you consume some beverage, even 3 (three) days after eating it. Then you become really sick with pains, vomiting, all the fancy stuff. As a gift or good meal, it could be a cruel joke or to make sure the heroes spend their time focused on the mission. And the fine soup you had in the inn yesterday could have some in.
(Inspired through a real-world fungus. Was really used to cure alcoholism.)