Warning: Media contains coarse language
The reigning back-to-back Finals Most Valuable Player took to Instagram after leaving the contest early in the second quarter with an Achilles injury.
Monday marked Durant's first taste of action since May 8. He had missed nine straight games with a calf injury and scored 11 points during 12 minutes in his return.
The Raptors lead the series 3-2, with Game 6 going down Thursday at Oracle Arena.