To find a Hyperion RKT sentry in Childhood’s End for Tannis in Konrad’s Hold in Borderlands 3, shoot the lever on the platform at the west side of the chamber.

Next: Find a Satellite
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Shoot the lever to find a Hyperion RKT sentry in Childhood’s End for Tannis in Konrad’s Hold in Borderlands 3

Then shoot the lever on top of the pillar in the middle of the chamber.

Shoot the lever to find a Hyperion RKT sentry in Childhood’s End for Tannis in Konrad’s Hold in Borderlands 3

This unlocks a room on the east side of the chamber with the Hyperion RKT sentry.