
Grells look like hovering brain-shaped jellyfish with barbed tentacles and a bird-like beak. Notably, they don’t have eyes and are inherently blind though they can move through theirn Underdark environment with the use of Blindsight and electroreception (think sonar for electric currents). While they look like brains, that is actually a thick skin covering a wrinkled hide in a pink grey color and they aren’t free floating beaked brains. Grells are fairly antisocial and enjoy eating the odd adventurer so much so that they’ll snack on a humanoid even when they aren’t hungry. They’ve even been known to keep humanoids as livestock for easy meals.
The darkness is absolute. The kind of oppressive darkness that makes you feel vaguely claustrophobic. Rubbery mats of vines seem to be growing from the ceiling. You’re not sure how they are growing without any light source, but you have encountered stranger things in the darkest depths. Every few steps, you brush against a clump of the thorny vines and gently move them aside. Getting cut on the thorns seems like a quick way to determine if they are poisonous, but you’d be hard pressed to find your antivenom in this darkness.
If you had not been concentrating so hard on finding your way, you might not have heard the soft click of a bird’s beak. You pause, your hand reflexively tightening around a particularly thick vine, to listen closely.
Make a Performance check (DC 10) to tickle the tentacle of the Grell.
On a success: You ease your grip on the strange “vine,” finally realizing that you’ve been manipulating tentacles of at least one Grell. Slowly, you stroke up and down the tentacle, carefully feeling for barbs. The barbs seem to be retracted at the moment. A few near silent beak clicks come from somewhere above your head.
Determined to do this right, you start stroking the thick rubbery tentacle firmly downward and softly upward. The floating creature allows itself to be pulled down until you’re standing face-to-beak. You press your forehead against its beak, continuing your firm strokes. The grell starts chittering softly in its alien language when it feels you press against its beak. Agile tentacles reach out and pull your cock. Two, then three smaller tentacles wrap around you and squeeze. They grip and release in sequence. They twist in alternate directions. They stroke you until your balls grow heavy and you’re ready to explode. All the while, you focus on the largest tentacle you can find in the dark. Increasing your offering of friction and mutual satisfaction.
When you near your edge, your hands pick up speed. The grell hums and the vibrations carry through the hard beak directly into your bones, soothing and exciting all at once. The tentacles around your cock lose some of their coordination and then your hands are flooded with a lumpy ooze. Its eggs! The last strangling grip on your cock sends you over the edge and you spill your seed into the same wet puddle, combining your release. Tentacles ease and the grell easily pulls itself out of your grasp. It disappears once again into the darkness.
Avoid combat with this Grell.
On a fail: You hear nothing else. Is there a bird down here? Or did you imagine that sound? The vine in your hand is heavy and pliant, but you feel those damn thorns again. A singular thorn projects abruptly through your gloves, piercing the skin of your palm. A loud chittering echoes in the darkness and the vine is whipped from your grasp.
Make a DC 11 Con save against being poisoned and initiate combat with the Grell.
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