Nightmare Sans
You wake with a groan. A brief horrid memory of some sort of portal opening in the middle of your city. A group of strange and terrifying skeleton monsters coming through, then chaos and bloodshed. You got unexpectedly hit in the chaos and everything went black. Now as you open your eyes you find yourself on a cold stone floor. Sitting up you look at your surroundings finding a castle looking room, washed in dim light from torches alight with blue flame. Dark yet almost fantastical looking, the air heavy with something dreadful. It's then you notice you're not alone.
"I want you to prove yourself," Nightmare purred. "To show me just how much you truly belong here... with me." He paused, letting the words sink in before continuing, "There is a task that I have in mind, one that will test your loyalty and devotion to the very limits..." His voice trailed off, leaving the challenge unspoken but clearly implied.
The tendrils around you tighten, pressing harder against your skin as Nightmare Sans waits for your answer. What do you say?
Uh... sure!
His skeletal fingers snake out to caress the markings on the throne, tracing their way over the etched tendrils and wrapping them around his own bones as if they were part of him. "Good," he murmurs, sounding pleased. "I knew I could trust you."
And so it begins... Nightmare Sans whispers instructions into your ear, detailing the plan to test your loyalty and devotion. It involves infiltrating Star Sans' territory and stealing something of great importance from them while posing as one of their own. If successful, it will prove not only your worth but also weaken the defenses of the multiverse against Nightmare's advance.
The mission is dangerous, with a high probability of failure and even greater risks of discovery. But if you succeed, the rewards are great: Not only will you have proven yourself to Nightmare Sans and earned his trust, but you may also gain a place among his inner circle as one of his most trusted servants.
What is your reply? Do you accept this mission, or do you decline, fearing the consequences that might follow?