Baldur's Gate 3 Multiclassing Guide

Multiclass is not available in Explorer Difficulty

No Restriction for Multiclassing in Baldur's Gate 3

Proficiencies

Multiclassing Spellcasters and Spellslots

Skills

Pay attention to the Spell casting Modifier

Ranger Offers a lot of Proficiencies

What are Half Casters and Third Casters

Feats

Extra Attack