A group of 5 oddly-colored-hair guys were waiting in line to get into the elven castle and see the elf queen when some elf ran past them and got stopped at the gate. "Let me through, the evil king's subordinates are headed this way!"
Everyone ignored him or told him to get in the back of the line.
Eventually, the protagonists made it in the castle and a guard came running in, yelling that that one elf wasn't lying. They really were on their way. Everyone but the protagonists, the queen, the guards, and the nobles scattered. The nobles casually walked to the buildings they owned inside the castle grounds. Our protagonists each went different ways, intending to talk to different people. One went to the guard captain, three went to different nobles, and one asked the queen to follow them to a spot on the castle grounds where no one should be able to hear them.
"Queen-"
He got interrupted by a fat noble, who, sticking his head through a window, insulted the pink-haired man before enticing the queen to enter what was apparently his house. Pink hair jumped two stories up to yank the noble out of his house and knocked him around a while before some guards came over and got the story of why a hero was smacking a noble around. The queen came back out of the house, disappointed, and talked with pink hair.
He got her to teach him how to use hellfire, a kind of magic that would not go out unless dispelled and created its own oxygen to burn through anything flammable at incredible speeds. The others all got a little bit of instruction on their own questions, either of magic or of weapon proficiency. It wasn't much longer after that that three humanoid demons showed up. One unbelievably fat man with an unnaturally large mouth, a 10 foot tall twig of a humanoid, and a normally-sized, spiky man.
Fat man was eating an elf whole like a frog as he approached the gates.
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The heroes didn't immediately attack due to the contract between the evil king and the gods: As long as the evil king's direct subordinates aren't killed, the evil king will stay in his castle, and as long as no heroes are killed, the heroes will stay out of his castle.
It wasn't long before the demons killed enough people that they stopped holding back and quickly erased the demons. Even the guards and nobles scattered after that. The evil king would be on his way soon.
The queen brought the heroes deep into the castle's keep's basements, where they met another elf, who taught them how to summon a special metal that could actually permanently harm the evil king, as his regeneration would be too much for even the gods to deal with, should he find a way into the divine realm, without it. In the amount of time they had, they only learned how to summon and launch spikes of the metal, not having time to learn how to properly create weapons of it before the whole city shook from the evil king's arrival.
The heroes charged out of the castle and launched spike after spike of the metal at the evil king, who took one to the leg before realizing what they were and splitting himself apart to not get hit by the metal. Red hair engaged in melee combat with the evil king to distract him and take up a large portion of his vision, but he continued to dodge out of the way while fighting.
Eventually, he beat all five of the heroes down enough that they had to think of another plan. They knew the location of some flammable liquid around the castle and blue hatched one of their stupid, but just might work, plans. Douse the evil king in some of the oil with specks of the anti-regeneration material in it and light him up.
Having no fear of liquids, the evil king barreled through a bucket of the stuff before killing green hair. Red hair was inflicted a grievous wound and attempted to light the evil king up, but his arm was chopped off before his flames could be launched from it, before he, too was killed.
Pink hair tried to much the same effect.
Blonde was engaged with the evil king when blue appeared behind the evil king and chanted the words for hellfire. The evil king turned to look at blue to dodge the attack out of fear of the pain burning all the way back to his castle would entail.
But blue was excessively incompetent at magic and all he accomplished was to level a large portion of the city and burn any elves within it.
Then I woke up.