a giant octopus with long tentacles attacked the viking ships at night in the open sea off the coast. dark fantasy landscape

ancient attacked attacking background barbarians boat boats coast dark dragon drakkar drakkars emerging environment eyes fantasy fleet fog giant gloomy glowing head horror kraken landscape light long medieval mist monochrome monster mystery nature night nordic north ocean octopus open outdoor pattern rock sail scandinavian scene sea shield shields ship ships sky tentacles viking vikings warriors warships water wave