A man becomes faster than a horse after his mother dies.  A sumo wrestler uses divine help to defeat an opponent. A kappa wants to marry a girl in exchange for his help.
He stopped being proud and spent 
every day training humbly,
Dejó la arrogancia, el orgullo y se 
dedicó a entrenar diariamente
Dejó la arrogancia, el orgullo y se 
dedicó a entrenar diariamente,
Ele deixou de ser orgulhoso e passou
os dias treinando humildemente.