Instead if lowering the aura on abysmal mask...

What if it had a 1% bonus magic damage for every 50 units the enemy is within 600 units. Max damage at being within 50 units

Example 1: standing 340 units away from enemy Equal: 5% Damage bonus

Example 2: standing 43 units away from enemy Equal: 12% damage bonus

Example 3: standing 600 units away from enemy Equal: 1% damage bonus