Nibbles was a dragon hatched from an abandoned egg and raised as a sentry. One day, when travelling around Chateauclair with three other adventurers, they came to the rescue of two people being attacked by zombies rising out of the sea. In the ensuing battle, Nibbles tried to save a third person who was hiding in the bushes, but then she shanked him. This was the master of the zombies and she was brutally strong. Nibbles stood alone against her, and died.
Deep in the Astral plane, Nibbles' soul was approached by a mysterious rat spirit, who, at the beckoning of the Warlock Gunther, offered a second chance at life, although there were certain conditions that applied...
(Nibbles is now a creepy ghoul-dragon who can no longer feel pain....or heat....or taste food...
...that isn't the flesh of the living...)