512 - The Plinth is Replaceable

"HEY AILADASSSSSS!!!!!"  Ili careened into the schoolroom on his skates, bouncing off the doorframe.  "Ow.  AILAD—"
"Ooof."
Since Ili had caromed right into Ailadas's middle as he rose to answer Ilesias's shout, they both sat down rather abruptly, Ailadas back into his wheeled chair that squeaked backwards a fraction, Ilesias landing on the floor.
"OW!" –"Ouch, young man… you might have broken