This is the 12728th most frequent Russian word.
кракеном
"Кракеном" is the instrumental case of "кракен," meaning "kraken" (a mythical sea creature), used as "by/with a kraken" in context.
In this sentence, 'кракеном' is used as an instrumental form of the noun 'кракен', describing the creature (kraken) performing the action of guarding.
Передо мной появился огромный замок с кракеном, охраняющим вход.
Before me appeared a huge castle with a kraken guarding the entrance.
Here, 'кракеном' again serves as the instrumental case, denoting the kraken as the entity involved in the battle depicted in the painting.
Она была поражена картиной с изображением схватки подводников с кракеном.
She was amazed by the painting depicting a battle of divers with a kraken.
In this context, 'кракеном' functions as the instrumental case, indicating the adversary (kraken) in the conflict involving the ship.