Baldur's Gate 3 — Mechanics
How hidden systems actually work, verified against the latest patch.

BG3 Action Economy Guide — Actions, Bonus Actions, Reactions Explained
Master turn-based combat in Baldur's Gate 3 by understanding how Actions, Bonus Actions, and Reactions work — and how to squeeze maximum value from each resource every turn.

Advantage & Disadvantage in BG3 Explained — How to Stack Bonuses
Advantage and Disadvantage are BG3's core dice-rolling modifiers. This guide explains how they work, why multiple sources don't stack, the Elven Accuracy exception, and all the most common sources for each — so you can set up every fight for maximum success.

Initiative & Turn Order in BG3 — How Combat Starts & DEX Ties Work
Initiative determines who acts first in BG3's turn-based combat. This guide explains BG3's d10 initiative system (different from tabletop's d20), how DEX ties are broken, the Alert feat's massive +5 bonus, and how to set up surprise rounds through stealth.

Multiclassing Guide in BG3 — Rules, Best Combinations & When to Start
Multiclassing in BG3 unlocks powerful class combinations by spending levels in multiple classes. This guide explains the rules, proficiency requirements, the best 1-2 level dips, and when multiclassing helps vs hurts your character.

Bless Spell in BG3 — Why It's the Best Concentration Spell in the Game
Bless is a 1st-level spell that adds +1d4 to attack rolls AND saving throws on three targets simultaneously. This guide explains why Bless delivers more value per spell slot than almost any other spell in BG3, how to use it optimally, and which classes should always have it prepared.

Concentration in Baldur's Gate 3 — How It Works & How to Protect It
Concentration spells are BG3's most powerful spell category — and the most fragile. This guide explains the mechanic, the Constitution save formula, and all the feats, items, and strategies to make your concentration virtually unbreakable.

When to Long Rest in BG3 — Full Rest vs Short Rest Strategy Guide
Long rests are powerful but come with story consequences in BG3. This guide explains what long and short rests restore, which class features depend on each, when to avoid resting during critical story moments, and how to use camp supplies efficiently.

Reactions in BG3 — How They Work & Which Are Best
Reactions are the most underutilized action type in BG3. This guide explains how automatic vs. manual reaction mode differs, which reactions are worth burning, and how to get the most out of Shield, Counterspell, Sentinel, and Uncanny Dodge.

BG3 Surface Spells Guide — Oil, Grease, Fire & Combo Mechanics
BG3's surface and combo system turns environmental interactions into some of the most powerful tools in the game. This guide explains how surfaces work, which combinations do what, and how to exploit oil+fire, water+lightning, grease+spark, and more to trivialize difficult encounters.

How to Use Withers to Respec in BG3 — Full Guide
Withers is BG3's undead camp butler who lets you completely rebuild any character's class, subclass, feats, and stats for just 100 gold. This guide explains how to unlock him, exactly what changes on respec, what doesn't change, and how to use respec for multiclassing.
Looking for something else? Browse the Baldur's Gate 3 hub for related categories.