This series deals with the 7 female cousins of the 7 dwarfs, the so-called "Dwarfelles". Marina is Sneezy's cousin. She is a dwarfelle who has power over all lakes and rivers, she is also able to breathe underwater. Marina carries herself as a gentlewoman and has a British accent.
So now it's up to you to discover Marina's flat not far from Schoenfels Castle built by Friedrich of Schonevels in 1292.
In order to find the BONUS Cache of this series, you are requested to note down the code from the logbook: V=? and to calculate the 1-digit checksum of the name of the Marina look-a-like (first name + family name; total 2 words -> 6 letters) from the listing: E=?
Official Stats GC6QWYQ:
FTF by shericlan
STF by speedwalkers
The 7 female cousins of the 7 dwarfs @Valley of the Seven Castles :
1. Critterina @Mersch Castle
2. Blossom @Koerich Castle
3. Sunburn @Hollenfels Castle
4. Thunderella @Septfontaines Castle
5. Marina @Schoenfels Castle
6. Muddy @Old Castle of Ansembourg
7. Moonbeam @New Castle of Ansembourg
8. BONUS Cache : 7 Dwarfelles in the Valley of 7 Castles