I'm stuck

So basically i was doing Molten Core run and died there, then as ghost i fell down into lava pit before Lord Incendius and im stuck there coz there is no way pout, i can't get to my corpse and theres noone to revive me. I don't wanna to lose character like that

You're looking for the character unstuck feature on the website. Check under My Account -> Services -> Free.

Umm. You can't be a ghost inside of instance. Something isn't adding up. But yeah, use the Unstuck option via My Account