Well is forced to make an unexpected return home when Duke Bleichroder asks him to purify the undead lurking within the Enchanted Forest. Yet what awaits him at home is his openly hostile eldest brother Kurt. Well intends to leave as soon as he completes his quest, but he's forced to remain there without ample explanation.
These must be the monsters the 
expedition killed fifteen years ago.
.لا بدّ أنّها الوحوش الّتي قتلتها البعثة قبل 15 سنة
Das sind wohl …
Deben ser los monstruos que mató
la expedición de hace 15 años.
Deben de ser los monstruos
que mató la expedición de hace 15 años.
Devono essere i mostri abbattuti 
durante la spedizione di quindici anni fa.
Devem ser os monstros que foram mortos
na expedição de quinze anos atrás.
Видимо, это чудовища,
убитые во время той экспедиции.