Ice and Fire - SuperWhoLock Crossover

This is a SuperWhoLock crossover about two sisters who wield magical powers. One born from fire, the other born from frost. The eldest sister decides to throw a party in honor of their manor, but with unexpected guests arriving. WARNINGS: Spoilers, mention of death in family, anxiety/panic attacks, death in general, mention of previous self harm. Read at your own risk. *ON HIATUS*