Some of the most common abilities are directly connected to emotion, causing powers to activate without direct intention. Different powers are activated by different emotion, and the exact reaction depends on the individual. One very well known example is fire, extreme anger can cause those with this ability to burst into flames. It is so well known because of how shocking it is to bystanders.
Youre gonna need a bigger fireball...
“Change is the constant, the signal for rebirth, the egg of the phoenix” ~Christina Baldwin
Kim Graham's Gallery ~ "...made of a radically new, environmentally friendly, outdoor clay. This clay, called Pal Tiya, removes the need for traditional steel armatures, chicken wire or molds." Her work is pretty amazing!