A Story About a Dragon and the Rising of an Adventurer: A Healer Who Was Seen as Useless and Was Kicked Out From an S-Rank Party, Goes off to Revive the Strongest Dragon in an Abandoned Area

Dion, a healer, was thrown into the deepest part of a dungeon in a plot by his fellow party member. As he was facing certain death, he found a wounded dragon there. Dion healed the dragon with the last of his strength, and it turned out that it's a divine dragon named Eldora. Now