Ivar the boneless, has blue eyes because he's suffering from 'brittle bone disease' named "Osteogenesis imperfecta" which is characterised by a triad of blue sclera (white portion of the eye), fragile bones and conductive hearing loss.
We think you will soon have boats ready to take you to the Mediterranean Sea.
Floki: If it exists.
Bjorn Lothbrok: Of course, it exists.
Floki: It's just a map, Bjorn. Marks on a paper. A child could have drawn it. How can we know it's real?
Bjorn Lothbrok: I learned from my father. The only way to...
After Bjorn has put the model ship with the yellow sails into the water, Floki puts the very same model ship into the water again.