As Rick waits for his test results, memories flood his mind. As a boy, he'd dreamed of being an adventurer, but the older he got, the more distant the dream became. He set it aside and began work at a Guild. Then, Rick met a certain S-rank adventurer.
Hard to develop doesn't begin to describe it.
 It is basically impossible.
‫من الصّعب تطويرها لا يعبّر عن الأمر
‫بدقّة. الأمر مستحيلٌ بشكلٍ أساسيّ.
Es wächst nicht nur kaum heran,
No es que sea difícil, es que es
básicamente imposible siendo mayor.
No es que sea difícil, es que es
básicamente imposible siendo mayor.
La difficulté
n’a rien à voir là-dedans.
Non è una questione di difficoltà.
Não é apenas difícil de aumentar,
você praticamente não conseguirá mais.
«Тяжело» — не то слово. 
Скорее почти невозможно.