Wait while Claptrap phones Rhys is an objective in the Story Mission, Atlas, At Last in Borderlands 3
Wait while Claptrap phones Rhys
Listen to Rhys
Go to Meridian Metroplex
Head to secret Atlas HQ entrance
Get Vault Key Fragment from Rhys
Reboot defense cannons
Head to final defense control
Destroy nullhounds inhibiting turrets
Hold off Maliwan forces
Take the elevator to Rhys' office
Meet Rhys in his office
Reveal secret path
Follow Rhys down to rooftop
Defeat Katagawa Jr
Meet up with Rhys
Choose to keep 'stache
Choose to lose 'stache
Collect Vault Key Fragment