Demonic Arrow

Upon utilizing a standard action Casting this spell you consume 3 Shadow Essence, Upon casting this spell it has no range limit and just automatically hits, Upon contact creature take 20d6 Necrotic damage, in addition creatures within 90ft  must make a Dexterity Saving throw or take 10d6 Force damage and be pushed back 15ft from the center of origin while getting proned while only taking half damage upon success 
Creature Struck Don't take the force damage 

Upon Spending a level of Twilight Essence, You can Dual Wield this spell with Divine Arrow, after spending the whole turn to charge it,