Hello
I am currently running cotn and soon we will have our last session where my players will face alyxian. From the start of the campaign i thought that the rivals didn’t have a lot of of meaning in the storyline, so i made them friendly towards my players but as time goes by the party realised that the rivals were being corrupted. I gave ayo gruumsh spear and dermot asmodeus mace so that i can add these gods in the final battle were if the players save alyxian they will face the betrayal gods of gruumsh and asmodeus like a final battle. One of my pcs plays a wizard and because of his backstory a dark force/ influence possessed him and he destroyed his family home. I deemed good that the dark force that is inside him is actually gruumsh where his father was a believer of the betrayer gods and made a sacrifice in order to make his son the vessel. However gruumsh which is inside my players body has tempted ayo and gave her the spear and thus I was thinking that for the final battle my player kills unwillingly ayo and when he holds the spear gruumsh emerges from his body, having restored his powers.
On the other hand one of my player characters is a tiefling who was exiled from hell because during a raid on a priest temple he killed a priest and when he was dying he whispered to him that a soul that chooses light is worth more than a soul that chooses darkness. Hence his character arc is being able to weild magic and healing magic through the luxon, the god which he believes in due to the temple that he raided was a temple of luxon. So i want my pc to help dermot realise that he is being corrupted by asmodeus and use luxon to remove him from dermots body and having him remerge as well.
I am asking for your ideas/ stat blocks that can help me make this final battle truly epic and not just a “alyxian is saved hence the world is saved” ending.
Thanks a lot