Malefor

Malefor was is said to be the first dragon to control all four elements including Fire, Electricity, Ice, and Earth and a fifth element known as the Convexity element. First seen as a potential leader by the Dragon Elders, they sought to teach him all they knew about the four elements. However, they saw signs unbound power growing outside of their control and in fear declared Malefor as an outcast.

Leading an army against the Dragons with an army of apes, he laid waste to the lands and earned the title The Dark Master. After some time, an unknown group of Dragons known as the Ancestors defeated Malefor and trapped his spirit in Convexity.

Malefor was released years later with the assistant of Gaul with his army of apes & Cynder who was under his influence. Spyro eventually set Cynder free, destroyed Gaul and most of his army, and finally confronting him at what seemed to be the final hours of Tarlax and the Dragon Realms. Something strange occurred though as spirits emerged and trapped Malefor in a Dark Gem.

It is unknown what exactly happened to Malefor but it may be safe he is gone for good.