The Eclipse

The Eclipse is the final sword skill learned in the Dual Blades category. In SAO, it is learned after getting Dual Blades skill proficiency to 1000. However, in ALO, it is learned after getting proficiency to 400. In ALO, no new sword skills are learned after skill proficiency level 400.

Description
This skill consists of a total of 27 deadly hits. The user first places one sword on top of the other and slashes from the bottom right to top left for two hits. The user then brings down the two swords from their stop point from before to chest level and slashes horizontally for another two hits. The left sword slashes an arc that releases four hits by itself and is directly followed by another arc from the same sword that hits another four times, totaling 12 hits. The right sword follows up with another arc and another four hits. Then the left sword slashes again for a third arc and three more hits. The user ends up in a position where it appears they are hugging themselves, their left sword on the right side and vice versa. From this position, the user slashes an X in the reverse direction to Cygnus Onslaught before bringing down their swords to chest level and slashes two more hits as a repeat of the third and fourth hits. The user then spins clockwise while bringing up their swords. Upon facing the target, the user jumps and makes a slash with both swords exactly perpendicular to the ground before stabbing at the target with both swords and ripping outwards. The final count is 27 hits unless viewers of the skill being performed claim that the last two hits were individual attacks since they were done simultaneously with both swords.

The user initiates the skill by standing straight up and holding the left sword directly below the right sword before charging forward and bringing their swords down in preparation for the first two hits.