The Extended Zodiac

The Extended Zodiac is the entire list of possible sign classes. A troll's sign is called their "true sign" and you can determine your own sign here. There are 12 blood colors, and 24 signs for each, leaving a possible 288 possible true signs. Your true sign is determined based off ones lunar sway, blood color ( birth date ), and aspect.

True Cancer ( The Signless )

The only sign that differentiates from this is the True Cancer sign. Although a True Cancer is one among the lime bloods, it's blood is mutated making it a rust color. This is one of the rarest true signs and does not occur often.