Taking one step close towards the door, Eustace studied it a little more. It certainly appeared like something taken straight from some storybook fairy tale, and so far the tree itself had made no movements. He also couldn't sense any ominous auras or anything that would give it away to be a living creature than just a tree.

After several moments more, he stepped back.

"...While we may be capable of dealing whatever is inside, it would be more prudent if we informed others. Should the worst case scenario occurs and we get trapped inside without any ability to contact the others, they will try to search for us."

As curious as he was and likely that it was going to be a simple abode similar to the ones in town, taking the road of caution would be better, especially with them being in a new, strange world like this.