[HELP]UNPACK TXD METIN2

Hello does anyone know how to unpack an pack folden which does not include .epk .eix files but .txd?
I would really apreciate it
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Only change .txd to .epk an . to .eix.
Rhen you have your epk and eix Files, but you can only unpack it, when they're LZO Key isn' changed.