When Placeholder API is installed, you can use several placeholders in both the same and other plugins. Placeholders are great for showing certain data in messages.
Below you can find an overview of all placeholders
Placeholder
Represented value
%bloodmoon-advanced_days_left%
Days left before the next bloodmoon of the world the player is at
%bloodmoon-advanced_days_left_<world>%
Days left before the next bloodmoon of the specified world
%bloodmoon-advanced_boss_bar_remaining%
Amount of percentage the bloodmoon is at in the currents player world
%bloodmoon-advanced_boss_bar_<world>%
Amount of percentage the bloodmoon is at in the specified world