Awakening Hero System, Summoning the Driver at the Beginning

Su Sen died in an accident, but his soul traveled to a different world and merged with a knight of the same name. This knight was swallowed by the dragon's breath in the fierce battle against the ice dragon, and his life and death were on the line. Su Sen struggled to survive in the extremely cold land of ice and snow. When he was isolated and helpless, he was involved in a shocking showdown between the Frost Titan and the ancient ice dragon. When his life hangs on a thread, he awakens the mysterious hero system and summons a white-haired figure who controls a red dragon... Ps: The introduction is just to catch the heat of the fire, there won't be anything explosive.