Gen 3 OU (ADV) · 2026-06
The ADV OU Field Guide
A practical, opinionated, interactive companion to the Gen 3 OU metagame, written through an aggressive Offense lens — with a live Gen-3 damage calculator, speed-tier explorer, type profiler, and the cores & teambuilding tools to actually out-pressure the tier.
00
Introduction — ADV OU Through an Aggressive Lens
Why ADV rewards pressure, and how to read this guide as an offense player.
01
Gen-3 Mechanics That Shape Offense
The Gen-3 rules — special split by type, crits, no item swaps — that decide how hard you hit.
02
Viability Tiers — Reweighted for Aggression
The ADV viability ladder, re-ranked by what actually pressures and breaks teams.
03
Top Threats
Deep dives on the 20 most important Pokémon for an offense player.
04
Building Aggressive Offense
A checklist-driven method for assembling fast, breaking ADV offense.
05
Common Offensive Cores
The two-mon offensive cores that anchor winning ADV teams.
06
Sample Teams
Annotated aggressive-offense teams you can learn from and adapt.
07
Mechanics & Damage-Calc Reference
The Gen-3 damage math and benchmark calcs every offense player should know.