Angel is the hidden boss of the Cartenon Temple.

It was later revealed that the Angel was an alias of the Architect, The ‘Architect’. This wizard, referred to as the Architect by the Monarchs, promised to aid the Shadow Monarch's descent to earth for the price of turning him into a true immortal. Angel is the statue holding the slate with the Cartenon Temple rules. It is 3 meters tall, has 6 wings and 8 arms. That creature was from a hermaphrodite race. It’s possible for them to produce both male and female voices, thus the reason for Jin-Woo to hear a female voice from the system. it is later revealed that Angel is an Administrator created by the Monarchs under the program they called the System.