[Academy] Abyssal Echo

- Description: A mysterious orb wreathed in blue light. Hold it to your ear to hear an echo akin to the deep sea. Use it in the Olvia Academy Colosseum to summon a monster steeped in mysterious power. ※ Use it in the designated location to summon gigantic monsters. ※ You will not be penalized for being killed by the summoned monsters, but a party is strongly recommended because of the difficulty level. ※ If you are in a party, only the party leader can use the Abyssal Echo. ※ The boss will disappear after 2 min of idleness, or after 30 min of being summoned. ※ Available as an Olvia Academy student.

- Requires: an additional undecoded requirement and character level > 59 and an additional undecoded requirement and an additional undecoded requirement

- Additional use requirements are not yet decoded; this is not a complete eligibility check.