You can acquire them in special events, through lucky spins, and daily login and missions. You can exchange them for free skins in the Fragments shop. New skins are added from time to time so you can save your fragments and claim your fav hero skin
You can acquire them in special events, through lucky spins, and daily login and missions. You can exchange them for free skins in the Fragments shop. New skins are added from time to time so you can save your fragments and claim your fav hero skin