Two environments in arena

[Excuses]

Never seen it before.
But just wanted to ask if it common?

[Omisace]

Happened to me twice. Another weird thing is when the environmental changes like when we started fighting ferrix with spiders and then after a while the spiders disappeared and *poof* an enraging obelisk appeared!

[cami]

You are lucky bro haaha, I played with vortex and mushrooms XD

[Mjolstin]

Does this just happen randomly to you guys or is there a sort of pattern you've seen when this happens?