Possible Enemies that first years face are

Wolves
Spiders
Bandits
Rats
Goblin hordes
Void Cultists
Gladiators
Skeletons
Zombies

Possible Quest ideas

Catch a band of roam bandits and bring back the treasure they stole

Clear out the Goblin Horde terrorizing the trade routes

Guide a merchant to T'mir and back

Clear out the abandoned caverns