Gralnach

Gralnach is a Nord boy who lives at Heartwood Mill with his mother, Grosta. Upon meeting him, he asks the player to play a game with him, either Tag, or hide-and-seek. If the player refuses to play, Gralnach will never open the dialogue window again.

If Tag is chosen, no other NPC besides Gralnach can be tagged, and immediately upon entering the nearby mill house, the miscellaneous quest will be completed and Gralnach will stop playing Tag.

If the Dragonborn casts a spell near him, like most children, he will ask you to make him invisible.

If the Dragonborn kills Gralnach's mother, Gralnach will be cruel to the Dragonborn and will quote "I hope monsters come and eat you" or "Go away!"

If killed by others (such as dragons,wolves...ETC)' he will quote "I can't believe my mother's gone now what'll I do"

Bugs

 * If the player kills a dragon and absorbs its soul near Gralnach, he will say "in all my years, I've never seen such a thing" ,which is a dialogue written for adult NPC's, not children.