{have sharp thing?} it suggests, after a moment's consideration.

"Yeah that's pretty much the frost giant way. Luvei can make axes and stuff out of ice." 

It nods its small round self.

"Are all spirits as adorable as you two?"

{don't know! not met them yet!}

"Okay. Do you know how long it is until night?"

{until sun go down,} it suggests.

"...Do you know when that will happen? We were just not-here, we're not familiar with this place's day/night cycle yet."

Tiny pointy shrug.

The cloud spirit cocks its head thoughtfully.

{the sun is always moving—always the same speed—watch it for a while—look how far it has to go}

...She looks up in the general direction of the sun. Not at the sun, she likes her retinas not extra crispy, but basically sunwards. 

"...How is there a sun if this isn't a planet," Luvei wonders slowly. 

The sun is about halfway up that side of the sky over there, and, if they wait to watch it move, traveling upward.

{sun is part of sky} says the cloud spirit.

"What...is...the sky here?"

{the earth is under the ocean and the sky is above it—above the sky there is heaven and below the earth there is hell—the sun and moon are lights in the sky—the sun shines in the day and the moon shines at night}

"Can you elaborate on the heaven and hell bits." 

{heaven has celestial magic and angels and a queen—hell has infernal magic and demons and a prince—they are opposites}

"What are celestial and infernal magic?"

{celestial is the monstrous inverse of air—infernal is the monstrous inverse of fire}

"Monstrous inverse?"

{the natural and monstrous elements are connected—inversions of each other—water to blood—earth to shadow—infernal to fire—celestial to air}

"That...sort of makes sense...what makes those four things 'elements,' though?"

{they are what magic is made of}

"Okay, cool. So, uh, if there are night monsters, is there something to be done about that besides just sleeping in watch shifts." 

{can get wood, build house!}