Traveling Through Time to Avenge the Master, but the Skills Are Full

In order to save me, Master used his last life to open a time-traveling realm. And I traveled to the present world Practice hard in today's world Revenge for the teacher Because of Xueer's company I don't feel alone in any difficulties or dangers along the way The blood dragon will accompany me for the rest of my life, and I will protect you for the rest of my life. Be the enemy of the world! Be your own enemy This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.