How do I defeat Lolotte

Hint 1 of 4:

Sneak down into the kitchen.

Hint 2 of 4:

Get the remaining cupid's arrow and bow. (You saved one, right?)

Hint 3 of 4:

Sneak up the eastern tower, and plug Lolotte with the arrow.

Hint 4 of 4:

Take the talisman, and return it to Genesta.