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