Vee (The shape-shifting basilisk) is just making goofy faces to get her dress-up-and-travel-together-friend to laugh.
If you're unfamiliar with the source material than that sentence was probably incomprehensible, sorry! I would highly recommend giving it a watch ^^
And just like that another Minecraft killer goes the way of the dodo, what a shame. Hytale really did look promising too, can’t believe after all this time we didn’t even get a second trailer :(