Jacks had betrayed you. He betrayed you to get the prophecy.

”Did you get lost, Little Fox?” you hear his voice in your head as you stand infront of Apollos body He’s still alive But your kiss didn’t save him and you slowly realise that it was exactly like when you got turned to stone Only a fate could save you and jacks was the fate she would need to save Apollo but in return he would want her to open the gate.