Here is the full list of all 19 Divine Knockout (DKO) achievements.
Achieve 'Resilient'
Achieve 'Air-Time'
Achieve 'The Penta-Ultimate'
Achieve 'Victorious Gold'
Achieve 'Rebound'
Achieve 'Triple KOs Silver'
Achieve 'Triple KOs Gold'
Achieve 'Double KOs Gold'
Achieve 'KO Collection Gold'
Achieve 'Damage Dealer Gold'
Achieve 'Victorious Silver'
Achieve 'Destructive'
Achieve 'Traveler’s Tall Tale'
Achieve 'KO Collection Silver'
Achieve 'Damage Dealer Silver'
Achieve 'Divine Knock Out!'
Achieve 'PvE'd'
Achieve 'Double KOs Silver'
Achieve 'Practice Makes Perfect'