Grandest Box of Great Centurial

Grandest Box of Great Centurial or GBoGC for short is an IDEK ascension based Grandest Box by Ir2x,

BoyofSteelJosh, and SparrowhawkJr1.

Trivia:

 * This is the first Grandest Box.
 * This is the first box to have the IDEK difficulty.