A Rigidillo is a Fallen in Oninaki.
Fallen encased in a hard exoskeleton. Their charge attacks are devastating. When isolated, they frequently Defend.
Crumpled Letter 1-1
A fortnight has passed since the sandstorm began. Still it shows no signs of abating. Novice that I am, I cannot aid Father in his work; most of my time has been spent keeping my little brother company at home.