Late
Pterodactyl
Night ~15 · 66,000 HP
Observed HP
66,000
The Pterodactyl line rules days 15–16 with aerial movement. Lead your shots and use the Anti-Air-Cannon or an automatic weapon to keep uptime on a moving target. Trees can block your movement — position in open ground before starting the fight.
Attacks & behavior
Aerial dives, lasers
Source: Unclaim full-boss run ASR, 2026-08-22. Boss names are transcribed from gameplay footage — in-game spelling may differ.