Abrakadabra

Abrakadabra is the spell of opening.

Use
Abrakadabra is the opening spell. So far, in the first book, it has only been explicitly used to activate the Norikithintes Portal, by Khioneus Nevula.

Trivia

 * Abrakadabra is a different spelling of the common "magic word" abracadabra, and Khi mistakenly used the spell when intending to say this word almost jokingly