Queen sized cabin
Nature, wind, and earth were trickier to master. For earth, he couldn't do much other than try and control more or less of it. Both of which didn't do much. For nature, he would lose control of it when the spell was around a third of its size. For wind, the wind even on a windless day would destroy his spell.
In the end, Eldrian had to bench them. Finally, he returned to the ice disk. Forming the mana beforehand near his right hand, Eldrian slowly let it flow from him to the air above his hand.
Altering the amount of darkness to the smallest decree to ensure the ice stayed a consistent heat. Fighting the natural heat transfer from the surrounding in this crude way.
Slowly, from a spec of ice, a disk became formed. Yet, this was just the first step. 'Good, now I have to learn how to change the form after the fact.' Eldrian mumbled, doing this a few more times before moving on.