The ruins look aged, but... If time passes strangely here, then it's difficult to say how old anything is. For all we know, people still live here and we cannot find them. [ It seems impossible to know anything for sure—the remains they've found are old and skeletal, but he had seen Dedue just before coming here. The whole island feels dilapidated, but they still received fresh supplies just this week. Nothing makes sense. ] Whatever the case, it's as though whoever we are facing operates on another timeline entirely.