Rarely individuals may possesses large amounts of dormant power that he may have to perform this several times to draw it out fully as shown with the second in Xenoverse 2 due to the vast amounts of power locked within them.
They never ask questions during work time because they aren't even aware of the concepts that they don't understand.
And it does take less time to grade an assignment than it does to complete it.
Not really going to go too in depth here.
Guru then asks Nail to join Tekka's Team as a way to repay them for their help.
Biography Background Guru is one of the two known survivors of a cataclysmic climate shift on several hundred years prior to the events in the series the other ones being and , who were once prior to Kami's separation with his inner evil.
And if you're not able to understand that either, then that's not your fault sweetheart.