Since the duplicate on the elemental plane of fire still had to take care of the young man he wanted to turn into his servant before entering, the version of Eiro on the elemental plane of water was able to enter into the actual library first amongst the two. Swimming through the door, he followed behind the half-spirit into the large space beyond. Light shone through the windows, illuminating the clear water in bright rays. This was a sight you could only see on the central elemental plane if you happened to find a city sunken into the ocean. This alone made it worth it coming here, to an extent.
Eiro turned his body around toward the half-spirit, "I'm going to guess that, any space I can freely reach within here, is accessible to me?"