5e D&D Combat Encounters

At a foreboding tomb by a patch of muddy reeds (nearby is a rectangular ditch)
They are cleaning themselves
In a fight they attack whoever is causing them the most pain
Possibly... they have a map of a trapped tomb and answer to a puzzle at the entrance
Difficulty... 450 Deadly

6 Kobolds led by one named Harrak
4 Vultures

At a low hill (there is the corpse of a monster)
They are injured in some way (reduced speed)
In a fight they retreat when half their number have fallen
Possibly... during the fight something isn't where it is supposed to be
Difficulty... 380 Hard

At a sparkling pond surrounded by rubble (there is the scent of stale beer in the air)
They are foraging for sustenance
In a fight they combine ranged attacks at foes attempting to hide
Possibly... they have a Potion of Animal Friendship
Difficulty... 150 Easy

At an enchanted burial ground (which borders the Shadowfell)
They are have been banished or made outcast
In a fight they run away as fast as they can if things go badly
Possibly... they have 2d4 waterproof ceramic and glass lanterns capable of working underwater (50 gp each)
Difficulty... 200 Medium

At a crumbling farm. There is a patch of tangled heath with a wide cave entrance (nearby is a field of thorny maize)
They are investigating an item - a climber's kit
In a fight they combine ranged attacks at any obvious spellcaster
Possibly... during the fight something isn't where it is supposed to be
Difficulty... 450 Deadly

At a wide valley (nearby is a fish-filled pond )
They are are looking for more of their kind
In a fight they attack whoever is causing them the most pain
Difficulty... 700 Deadly

At a field of tended rice (by a few concealed cave entrances)
They are being noisy
In a fight they attack anyone who looks like a source of food
Possibly... during the fight a trap is sprung
Difficulty... 200 Medium

At a patch of enchanted grass surrounded by long grass (heavy rain is falling)
They are washing themselves
In a fight they surrender if things go badly
Difficulty... 450 Deadly

At a pile of debris (nearby is an ornate tomb)
They are bearing symbols of a local faction
In a fight they avoid the largest foe
Difficulty... 250 Medium

At an eerie mill. There is a sheltered well with a patch of muddy ferns (there are fresh tracks of a vampire nearby)
They are displaying the symbol of a deity of caves
In a fight they run away if things start going badly
Possibly... during the fight a fire starts
Difficulty... 700 Deadly