WHAT DOES D4 ROLL MEAN?

Meaning the lizardfolk’s AC is fifteen by means of natural armor or fourteen via Unarmored protection, so the lizardfolk uses their natural armor. If a wizard have been to come back along and Forged Mage Armor to the lizardfolk, this provides a 3rd AC calculation method, environment the lizardfolk’s AC to thirteen + Dex, which matches the lizar