BO7 Zombies: Surviving Ashes of the Damned with Ol’ Tessie – Build Guide & Tips
- Ol’ Tessie is the free flamethrower Wonder Weapon on Ashes of the Damned – burns entire hordes instantly and is the best high-round tool.
- Requires only 4 easy-to-grab parts + one Pack-a-Punch upgrade – full locations below (verified November 2025).
- Farm Zombies camos and high rounds safely with BO7 bot lobbies.
Step-by-Step Ol’ Tessie Build Guide
- Fuel Tank – Diner counter next to the coffee machine.
- Nozzle – Gas Station red pump – shoot the glowing valve to drop it.
- Pressure Gauge – Church upstairs balcony – melee the hanging bell 3 times.
- Igniter – Power room behind Juggernog – turn power on first, then shoot the sparking electrical box.
- Take all 4 parts to the crafting table in the Church basement → Ol’ Tessie built.
Pack-a-Punch Upgrades for Ol’ Tessie
- Level 1 (5,000 points): +50% ammo, faster overheat recovery
- Level 2 (15,000 points): Flames leave burning DoT damage
- Level 3 (30,000 points): Triple flame streams + explosion on kill
Best High-Round Training Spots with Ol’ Tessie
- Church graveyard loop – 180° flame arc clears trains instantly
- Gas Station pumps – funnel zombies into the fire stream
- Diner kitchen – tight space = maximum burn overlap
Verdict: Ol’ Tessie Is Your Ticket to Round 100+
Grab Ol’ Tessie on every run – nothing else comes close for horde clearing. Combine with Dead Wire or Brain Rot for even faster rounds.
BO7 Zombies Ol’ Tessie – Frequently Asked Questions
1 Is Ol’ Tessie free on Ashes of the Damned?
Yes – 100% free via the 4-part build quest. No Mystery Box needed.
2 Where are the 4 parts for Ol’ Tessie?
Diner counter, Gas Station pump, Church balcony bell, Power room behind Juggernog.
3 What does Pack-a-Punch Level 3 do?
Triple flame streams + explosion on kill – perfect for round 100+.
4 Best training spot with Ol’ Tessie?
Church graveyard loop – wide arc clears entire trains instantly.
5 How to farm Zombies camos fast?
Use BO7 bot lobbies or camo boosting for unlimited kills.