Elements of Harmony

The Elements of Harmony were six supernatural artifacts representing subjective aspects of harmony. The narration during the prologue of Friendship is Magic, part 1 describes the Elements of Harmony as "the most powerful magic known to ponydom". In Princess Twilight Sparkle - Part 2, it is revealed that the Elements of Harmony were found and taken from the Tree of Harmony by Princess Celestia and Princess Luna thousands of years ago. However, doing so had the potential to release the Everfree Forestand destroy Equestria. Each artifact represents an element of friendship and only activates if the wielder possesses the corresponding trait and if all six are used in conjunction. They have been wielded on rare occasions, particularly during events marked by danger and anarchy as a last resort to restore and enforce the balance of peace and order. However, the effects of their use were generally temporary and non-lethal, usually a form of banishment or imprisonment. They, along with the Tree, were destroyed by King Sombra in The Beginning of the End - Part 1.

In When the Cold Breeze Blows Away, it would be one of rare artifacts in Equestria that creatures and everypony of Equestria can respect it, even the USRAC War former enemies respect it even though they are used to annex Equestria and doubting the framed heroes in Harmonia

Also,it would be happened when it would be located in the Tree of Harmony, even in during World War III and post-Last Day