Heir Apparent has been in Destiny 2 for a while now and it finally has an Exotic Catalyst thanks to Guardian Games 2021. Called the Competitive Catalyst quest, this quest is focused entirely on completing tasks during the Guardian Games. Once completed, you will then need to charge it to Masterwork the weapon.
How to get Heir Apparent Exotic Catalyst
You will need to unlock Heir Apparent before you can get the Exotic Catalyst.
To unlock the Heir Apparent Exotic Catalyst, you will first need to unlock Heir Apparent. Once this is done, simply deposit medals into the Guardian Games podium in the Tower to receive the Competitive Catalyst quest. Completing this quest is what rewards the Heir Apparent Catalyst.