D&D One Shot

An outline for a one-shot adventure with the situation, what the characters are, the aim of the one-shot, events during it and an ending.

tools for - dnd5e oneshot quest

theme:

The PCs are dramatic knights who must destroy a magnificent dragon's lair. The mood might be... creepy
There is a loud necromancer who works against them.
The characters start on a sinking vessel. At some point foes try to ambush them. If things get stuck it starts to snow.
It finishes with a reward of a dragon's hoard.

The PCs are feared monster hunters who must befriend/tame an artifact-wielding gang of outlaws. A character is possessed by a ghost. The mood might be... tense
There is an eccentric necromancer who works against them.
The characters start during an attempted escape. Partway through they spot foes who are unaware of them. If things slow down they discover an unexpected place to rest.
It finishes with a romantic ending.

The PCs are all from the same village who must find a buyer for an elven bottle. Two of the characters have fallen in love. It might involve kobolds.
There is an intimidating artificer who has important information for them.
The characters start camped and about to be attacked. Early on there is a local festival. If things are going nowhere an ally turns up with useful information.
It finishes with a reward of a ruined mansion.

The PCs are good folk heroes who must protect a dwarven golem. It might involve the Shadowfell.
There is a ruthless sage who offers them aid.
The characters start during an attempted escape. Early on foes try to ambush them. If things get stuck someone tries to steal from them.
At the end there is a reward of a ruined mansion.

The PCs are mutant urchins who must investigate the curse of an ornate bottle. A character is being hunted by a monster. The mood might be... desperate
There is a vengeful druid who works against them.
The characters start on the road about to encounter someone. At some point they encounter a pit trap. If things get stuck there is a murder.
At the end there is the characters splitting up treasure.