720
and the rule explicated so:
(i.imgur.com)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
It gets worse! The chariot's wheels are also made of dragonbone ichor in Vulcan's forge. Their every turn upon the black stone invokes a different terrible curse that afflicts the King's subjects and drains their life like a slow poison. So it was said in a distant court, but the speaker was ejected because "the post was too political."