OW2 Stadium Guide — Best Builds, Powers & Economy (2026)

Stadium is OW2's round-based 5v5 mode added in Season 16. First team to 4 round wins in a best-of-7 takes the match. Between rounds you spend Cash (won via round outcome + kills + objective time) on hero-specific Powers (4 unlocked at rounds 1/3/5/7 — permanent once picked) and stat Items in a shop. Build path matters more than mechanical aim past Diamond — picking the wrong Power chain or stat curve loses rounds even with a 60% hero win rate. This guide breaks down the round economy, the six Item categories, archetype build paths for the most common picks, and the round-economy mistakes that quietly cost you the match.

How the round economy actually works

Stadium is a best-of-7 format. First team to 4 round wins takes the match. Each round you earn Cash you spend in the next round's shop:

• Round win: ~3,500–4,500 Cash (scales with contribution + match length).
• Round loss: ~2,500–3,000 Cash. Loss bonus is intentional — it's anti-snowball, not punishment.
• Eliminations: ~100–250 each. Round MVP +500. Assists ~50 each. Objective time ~10/sec.

The shop opens for ~30 seconds between every round. Powers are unlocked at the end of rounds 1, 3, 5, and 7. Once a Power is locked, you can't swap it — wrong R1 picks compound through R7. This is the most common silver-to-plat Stadium mistake: picking a "looks strong" Power without checking whether the Items you can afford this round actually support it.

Critical rule: never enter Round 7 with more than ~1,000 unspent Cash. Unspent Cash is forfeited at match end. The single most common throw in low-rank Stadium is hoarding Cash that's never deployed.

The six Item categories and which hero each one fits

The shop offers six stat categories, each in Common / Rare / Epic tiers. Common items are cheapest but suffer hard diminishing returns past three stacks of the same stat — past Round 3 you should be eyeing Rare and Epic upgrades, not stacking your fourth Common.

• Weapon Power — percent damage boost on primary fire. Best for hitscan DPS (Soldier 76, Cassidy, Ashe, Sojourn). Weakest on tanks because of hero-tag damage reduction.
• Ability Power — percent boost on ability damage, healing, and utility effects. Best for ability-driven heroes (Ana, Sigma, Mei, Junkrat, Symmetra, Reinhardt for Earthshatter scaling).
• Armor / Health — flat HP or armor layer. Armor reduces incoming damage 30% on shots ≤10 damage (the bullet-armor rule). Best for tanks and brawl DPS (Reaper, Mauga, Junker Queen).
• Cooldown Reduction — percent off ability cooldowns. Best for cooldown-driven heroes (Brigitte, Ana, Lúcio, D.Va for Defense Matrix uptime).
• Life Steal — heal for percent of damage dealt. Best for sustain DPS (Reaper, Mauga, Mei) who win 1v1s by out-lasting trades.
• Move Speed — base movement boost. Best for flank DPS (Reaper, Sombra) and mobile supports.

The single biggest stat-allocation mistake: tanks buying Weapon Power. Tank damage gets hit by hero-tag damage reduction in Stadium — Weapon Power is the worst dollar-per-impact category for any tank that isn't Mauga. Buy Armor and Cooldown Reduction first; ignore Weapon Power until your defensive stack is set.

Reinhardt build — Brawl Tank baseline path

Reinhardt is the most build-stable Stadium tank. Build for survivability + Earthshatter scaling, not raw damage:

• R1 Power: Charging Rhino (Charge cooldown reduction). Lets you reposition the choke faster.
• R3 Power: Steadfast (knockback resistance during Charge). Lets you commit Charge through bumps and CC.
• R5 Power: Earthsplitter (Earthshatter AoE expansion). The fight-winner — bigger AoE = more guaranteed knockdowns.
• R7 Power: Crusader Resurgence (heal-on-Earthshatter-hit). Survive the post-shatter team fight.

Item path: R1 — 2× Armor Common · R2 — 1× Cooldown Reduction Rare · R3 — 1× Armor Epic (Bulwark) · R4 — 1× Ability Power Rare (scales Earthshatter damage) · R5 — 1× Cooldown Reduction Epic · R6 — top up Armor + 1× Move Speed Common.

By Round 5 your Earthshatter has bigger AoE, your Charge cooldown is short enough to reposition twice per fight, and you're hard to kill behind Bulwark armor stacks. Round 7 wins on the heal-on-shatter Power flipping the post-shatter cleanup.

Soldier 76 build — Hitscan DPS baseline path

Soldier is the most build-portable hitscan in Stadium. He scales with Weapon Power harder than almost anyone else:

• R1 Power: Steady Aim (recoil control). Improves your headshot rate from Round 1.
• R3 Power: Anti-Gravity Pulse (Helix Rockets gain knockback). Pairs with team-fight engages.
• R5 Power: Stim Sprint (sprint heals while moving). Sustain through poke fights.
• R7 Power: Tactical Visor Overload (longer Tac Visor, faster fire rate). One-shots the round.

Item path: R1 — 2× Weapon Power Common · R2 — 1× Weapon Power Rare · R3 — 1× Life Steal Common · R4 — 1× Cooldown Reduction Rare (Helix uptime) · R5 — 1× Weapon Power Epic (Crit Bonus) · R6 — 1× Armor Common.

Tac Visor in Round 5+ should win the round outright. The Weapon Power stack is your win condition; never substitute it for Ability Power on Soldier — Helix is utility, not your damage core.

Ana build — Spell Support baseline path

Ana is Stadium's highest-scaling support because her kit is 100% ability-driven. Heal numbers, sleep duration, and Nano impact all scale with Ability Power:

• R1 Power: Eye in the Sky (rifle scope speed). Helps you land sleep darts and biotic shots in fights.
• R3 Power: Nano Boost: Combined Arms (Nano boosts Ana too). Turns Ana into a third DPS while supporting.
• R5 Power: Sleep Dart: Lullaby (sleep duration + small AoE). Reliable single-target lock.
• R7 Power: Mother (Biotic Grenade heals twice). Doubles your peel value in late-round fights.

Item path: R1 — 2× Ability Power Common · R2 — 1× Cooldown Reduction Rare · R3 — 1× Ability Power Rare · R4 — 1× Cooldown Reduction Common · R5 — 1× Ability Power Epic (Nano scaling) · R6 — 1× Move Speed Common.

Ana wins Stadium support 1v1s through sleep-dart trades. Combined Arms in Round 3 + Mother in Round 7 makes you a third DPS in the late game while still healing peak numbers.

Tracer, D.Va, Reaper — quick build paths for the meta

Tracer dive DPS: R1 Quantum Entanglement (Recall heals) · R3 Pulse Bomb: Final Blow (crit boost on Pulse) · R5 Blink: Slipstream (third blink) · R7 Pulse Maelstrom (Pulse at half cooldown). Item path: Weapon Power → Cooldown Reduction → Life Steal → Move Speed.

D.Va anti-dive tank: R1 Boostrr (Boosters refresh on kill) · R3 Defense Matrix: Reformat (DM regen rate) · R5 Micro Missiles: Resupply (faster cooldown after kill) · R7 Mech Rage (Self-Destruct armor while charging). Item path: Armor → Cooldown Reduction → Armor Epic → Weapon Power Common.

Reaper brawl DPS: R1 Soul Globe Generosity · R3 From The Shadows (Wraith DR) · R5 Death Blossom: Lifeblood (Blossom heals on hit) · R7 Shadowstep: Phase Lurk (faster Shadow Step + invis). Item path: Life Steal → Weapon Power → Armor → Move Speed.

The five round-economy mistakes that cost you the match

• Picking the highest-damage R1 Power without checking your Item stack. Anti-Gravity Pulse with no Cooldown Reduction items is a 12-second cooldown the whole round — wasted Power slot.
• Over-stacking Commons past Round 3. Diminishing returns are real: 5× Common Weapon Power = roughly 3.5× effective Weapon Power. Switch to Rare/Epic by R4.
• Tanks buying Weapon Power. Hero-tag DR makes it the worst dollar spend on every tank except Mauga. Armor and Cooldown first.
• Saving Cash for Round 7 then leaving 2,000+ unspent. Unspent Cash is forfeited at match end. Always enter Round 7 with under ~1,000 banked.
• Throwing Round 1 for the loss bonus. The comp/Power lead from a Round 1 win compounds — it's worth more than the ~1,000 extra Cash.

Stat priorities by role — the cheat sheet

Tank: Armor > Cooldown Reduction > Ability Power (Mauga is the only tank where Weapon Power leads). Pick Powers that extend survivability; raw-damage Powers on tank lose rounds.

DPS: Weapon Power > Life Steal (brawl) OR Cooldown Reduction (ability-heavy) > Armor. Pick one damage vector, stack toward it; don't split.

Support: Ability Power > Cooldown Reduction > Armor. Powers should scale your CC and heal output, not your damage — supports who pick raw-damage Powers feed the enemy DPS.

The Recon 6 AI VOD review reads Stadium HUD cues — Cash counter, equipped Powers, Item stack — and flags build-vs-Power mismatches automatically. Useful when you know a round felt wrong but can't pinpoint whether it was your build, your positioning, or both.