The Triskelion is a Kriken military biotechnology used by the Bounty Hunter Trace to adopt an alternate form. The Triskelion is a three-legged war machine capable of dashing at damaging speeds and equipped with cloaking technology. When Trace is immobile, the cloak renders him invisible.
- "Trace's alternate form, the Triskelion, is a sophisticated Kriken military biotechnology that allows Trace to biomorph into a three-legged war machine with a powerful lunge attack. It also features stealth cloaking enabling Trace to become invisible while immobile." — Logbook "Triskelion" (Metroid Prime Hunters)