Rock Kingdom: What Is a Stone but Also a Grunt Ball?

[Muscle Dad + Demon Free Warrior + Daily Life of Raising a Baby] Why must humans rely on elves to fight? How can elves be such an inconvenience! How can the poor and weak elves compare to the long-tempered bodies of humans? Why should we rely on children who are weaker than ourselves when we encounter enemies? Just use your fists to punish! Go stun! If you can't win with your fists, knock the enemy unconscious with a rock! ! These elves are all allergic to stones! Advanced grunt ball? Every stone is a high-grade grunt ball! How could a mere elf withstand the stones thrown by the strong arms of humans? For humans who rely on the power of elves, the bond with elves is not enough! !