[@Psyga315] Oh, that. Lesse. Let me have a go at that. 

The Nemean Lion was an 'immortal' lion impervious to harm, just like our favorite characters are to supposedly be so dear to us it would be impossible for us to harm them. The task is, in both cases, to kill the immortal being.

Pretty much. ... Of course, if the creator of this quest of ours didn't have any such intention in mind to link the actual labours with our labours of writing, then it is that simple, that too. He can do whatever he wants to. XD