Arcane Trickster

Arcane Trickster is the multiclass option when you get both level 5 in Apprentice and level 5 in Thief.

The Arcane Trickster gets a +1 to Exploration interaction at level 1. They get a +1 to Social interaction at level 6. They get a +1 to encounters with Arcane mobs at level 3, that bonus increase to +2 at level 8. They get a +1 to encounters with Humanoid mobs at level 4. They get a +1 to encounters with Nature mobs at level 7. And finally, they get a +1 to encounters with Dragon mobs at level 9.