Update 67 introduced Hydra Serpent to Steal a Brainrot as a Secret Brainrot. This three-headed snake is among the game’s most valuable units: it costs $220 billion and generates $220 million per second when stationed in your base.
Quick answer: Watch the Red Carpet for Hydra Serpent and purchase it when available, or take it from another player’s base. As an Obtainable Secret, it may appear during the regular Red Carpet rotation.
Hydra Serpent stats
| Attribute | Value |
|---|---|
| Rarity | Secret |
| Cost | $220 billion |
| Income | $220 million/second |
| Added in | Update 67 |
Because it is an Obtainable Secret, Hydra Serpent does not require a special ritual or fusion. It cycles through the same Red Carpet system as other purchasable units, which means patience and enough cash are the main requirements.
Two ways to get Hydra Serpent
There are exactly two routes to adding Hydra Serpent to your collection. Both are standard mechanics, so no event-only access is needed.
Buy it from the Red Carpet
Watch the Red Carpet conveyor for Hydra Serpent to roll through. When it appears and you have $220 billion saved, purchase it directly to place it on your base. Since it is a Secret, reaching that price usually means building up income from other Brainrots first.
Steal it from another player
If you spot a Hydra Serpent on someone else’s base, use the game’s Stealing mechanic to grab it and carry it back to your own base. This route skips the $220 billion price entirely, but you have to find a player who already owns one and get away with it.
Income and how it pays off
After you place Hydra Serpent, it adds $220 million per second to your passive income. This reliable cash flow can serve as the foundation of a lucrative base and cover the cost of other pricey units.
During active in-game events, base payouts can be multiplied, so a Hydra Serpent sitting alongside other top-tier Brainrots can push a base’s total earnings far higher than its base rate. Stacking event mutations across several high-income units is where the biggest per-second totals come from.
Some high-value Brainrots are also assembled through the Craft Machine rather than bought outright. That path uses the Craft Brainrots menu, where specific ingredient units are required before a craft can start.
Appearance and design
Hydra Serpent is a green, three-headed snake with a coiled body. Each head wears a golden crown set with green gems, giving it a distinct royal look. It is the first snake-themed Brainrot in the game and the fourth three-headed unit, following Cerberus, Hydra Dragon Cannelloni, and Hydra Bunny.
How to confirm you have it
You know the unlock worked when Hydra Serpent is placed on your base and begins adding $220 million per second to your income counter. Whether you bought it from the Red Carpet or carried it back after a steal, it counts toward your collection as a Secret Brainrot the moment it lands on your base.
