Bahamut

Bahamut is known as the Platinum Dragon and is the patron of good-aligned metallic dragons, as well as those who seek to vanquish evil and protect the innocent. Bahamut is often depicted as a massive dragon with platinum scales, long silver horns, and glowing blue eyes. His wings span the sky, and his breath is said to be a blast of pure energy.
As a deity, Bahamut is considered the embodiment of justice, honor, and protection. His followers include paladins, clerics, and other champions of good, who revere him as a god of noble causes and righteous fury. Bahamut is also seen as an opponent of Tiamat, the evil goddess of chromatic dragons, and the two deities are often depicted as being in conflict.