In that instant, Zira gave himself over to the power of his orgasm, giving the last of his available energy to his mistress. Drained, he bucked and writhed through the ebb of climax, until it receded and left him limp and unconscious in her arms. Spent as he was, he would remain unconscious for several hours as his energy resources slowly rebuilt, so that his mistress might use him to fulfill herself once again.