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This entry from the magic dictionary has recently gotten a full translation.
Ragnarok[]
Direct bombardment-type spell. Fires three projectiles from within the perimenter of the spell array, each designed to interfere with a different type of defense. Each of the three projectiles releases its effect upon the target at the moment of impact, causing the target's destruction. At the present time, this spell boasts the greatest offensive power among Hayate and Reinforce's repertoire of attack spells. Due to this spell utilizing the stored magical power within the Book of the Night Sky, it will temporarily reduce the number of pages filled, rendering a certain amount of recovery time necessary after firing. Originally, the size of the blast radius upon projectile impact made this spell an effective tool for wide-spread annihilation; however, since this spell was used in concert with two other mages' bombardment spells in an effort to expose the Core, Hayate chose to forcibly narrow the area of effect to its absolute minimum, making it a penetrating attack. The fine-tuning and processing required for this task was certainly something only possible due to Hayate's fusion with Reinforce.
81.234.105.180 09:41, June 30, 2016 (UTC)Green-link94