Not very sporting of Radiance.
Round 507: The roc dodges (rolled 31 Ref save), but still takes 18 points of force damage. Radiance can breathe again in round 510. The roc has 47 HP remaining.
The roc banks and lands at 30N35E, reaching out a claw (rolled 32) and grabbing on (rolled 41 vs. 28 grapple check), pulling Radiance into its space. The claw inflicts 19-5=14 points of damage, leaving Radiance with 128 HP.
Round 507: The roc dodges (rolled 31 Ref save), but still takes 18 points of force damage. Radiance can breathe again in round 510. The roc has 47 HP remaining.
The roc banks and lands at 30N35E, reaching out a claw (rolled 32) and grabbing on (rolled 41 vs. 28 grapple check), pulling Radiance into its space. The claw inflicts 19-5=14 points of damage, leaving Radiance with 128 HP.