Reversal of Cause and Effect: a Box of Starscream Cannons at the Beginning

Chang Sheng travels through time and gets a causal reversal state at the beginning and a box of Starscream cannons that can combine many characteristics. There are many alien races in this world, and the human race is weak and can only rely on the elves to survive. Chang Sheng took his Starscream cannon and started by blowing up the ant nest. Along the way, the powerful clan destroyed the enemy! Good and evil reversal card! 100% Empty handed! Chang Sheng can obtain various rewards by completing reversal tasks. The little orc with cat ears, the fairy sister, the abandoned fat-headed fish... The roc rises with the wind in one day and soars up to 90,000 miles! Before I came, the human race had never won! Since I came, the human race has never lost! I, Chang Sheng, am number one in Tianyuan! Ps: The introduction is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.