Bide

This ward suppresses incoming damage taking half of it to stockpile. After a minute of concentration the spell goes volatile dealing the stockpile damage to all in range of 20ft. Those in range must make a dexterity saving throw equal to 8+ your proficiency bonus+ your intelligence modifier or take the full force damage, otherwisethey take half. You must succeed a constitution saving throw when you take damage or lose the spell early.The DC equals 10 or half the damage taken, whichever is higher, you must make this saving throw every time you take damage.