Magician

 is an NPC vendor that will spawn once the following conditions have been met:
 * There is an empty house.
 * The Mirage has been defeated.

When threatened by enemies, he will defend himself with Stars.

Quotes
"For those years that I spent in the dungeons, I learned a lot of spells! Hope you're interested!"

"Friendship is magic? Don't make me laugh! Everyone knows that friendship is witchcraft."

"Today I plan to try a couple of old tricks. Don't worry, I'll try not to lock myself in a chest anymore."

Blood Moon
"The end is nigh, my dear friend?"

Party
"What a nice day for a party! So many happy faces and wide smiles! Ha ha ha!... so... what exactly are we celebrating, again?"

After Spirit defeated
"You may not believe me, but last night I saw a gigantic cinereous lady. I wonder what she was looking for..."

Names

 * Arcadiy
 * Drew
 * Vadim
 * Gaston
 * Cras
 * Kabrok

Trivia

 * This NPC's appearance is refrence to the Russian singer and composer Arkady Semyonovich Ukupnik.
 * The quote "Frendship Is Magic?" is a reference to My Little Pony, and the parody series Friendship is Witchcraft.