There's Chemistry (An Elena of Avalor and Tangled the series Crossover)

Once Varian had escaped, he decides to flee from Corona until he comes up with a better plan to save his father while gathering more resources and materials. The kingdom that could help him is Avalor, where a mysterious young princess, younger than him, is already taking classes at a University of Science with great success. Who would unexpectedly help Varian.

This Story is from Lucy_Lupin02 translated in English