Blinding Shield

A barrier of extremely bright light erupts in front of a creature within range. Until the start of the creatures next turn or until they are hit by an attack, they have a +5 bonus to AC, including against the triggering attack. Additionally, if the protected creature is hit by a melee attack, the attacker is subject to a bright flash as the magic fades, causing them to be blinded for 1 minute. The creature who is blinded can make a Constitution saving throw at the end of their next turn, as well as every of their turns until the one minute duration passes. Whether or not the attack was a melee attack, a creature that is hit loses the +5 benefit to their AC.