The key to earth's salvation lies within 10-star fragments that give the Legendary Bladers the right to fight on their chosen side; Gingka - he is one of these Legendary Bladers!
Gingka and his friends think that they have defeated Nemesis, but it returns, and it appears that the end is near until all the bladers give their power to Gingka and Pegasus and the battle begins again.
S1E38 22 min