I don't know how much time has passed in the real world, but it was probably quite a while as I usually pass out for a long time.
But as if the gods heard my question, a panel opened up in front of me.
[Would you like to return?]
"Yes," I immediately answered.
I blinked once.
And then I reawoke on a cold stone surface.
[Congratulations!]
[You have evolved into Ancient Tundra Snake (First Rank)]
[You have gained the following skills]
.
[Aurora Borealis]
[Snow Manipulation]
[Ice Reading]
[Glacier Wall]
.
[One of your skills have devolved due to the clashing of elements]
[One of your skills have evolved due to the clashing of elements]
[You have gained the following skill]
.
[Small Quetzalcoatl's Fire (Snow)]
.
As I sat up, I realized we were still in the dungeon, so I groaned in misery.