The Abyssal Hydra closes out a max-depth run (observed on day 31). By this point bosses mix every attack type — lasers, charges and summoned duck swarms. Automatic weapons like the M4 turn the fight into controlled chaos; there is currently no deeper content after it.

Attacks & behavior

Full attack kit — lasers, charges, summons

Notes

• Content beyond day 31 / post-Abyssal Hydra not yet observed.

Source: Unclaim full-boss run ASR, 2026-08-22. Boss names are transcribed from gameplay footage — in-game spelling may differ.

More Catch 1 Billion Ducks content

• All weapons
• All dogs
• Duck species & value list
• Hardcore mode guide
• Codes status
• Update history