Behold, the Burning Dark Nitouryu, based off of EternaSky's fantastic Deluxe Nitouryu swords. The command set is identical for these swords also.

It contains the following commands:
sheath - Idle animation in sheathed-ready stance
draw - Idle animation in unsheathed-drawn-ready stance
sab - Sheathed Attack Back - Attacks backward in sheathed stance
saf - Sheathed Attack Front - Attacks forward in sheathed stance
sar - Sheathed Attack Right - Attacks to the right in sheathed stance
sal - Sheathed Attack Left - Attacks to the left in sheathed stance
uab - Unsheathed Attack Back - Attacks backward in unsheathed stance
uaf - Unsheathed Attack Front - Attacks forward in unsheathed stance
uar - Unsheathed Attack Right - Attacks to the right in unsheathed stance
ual - Unsheathed Attack Left - Attacks to the left in unsheathed stance
whirlwind or ww - Rising Spin Attack
swordplay or sp - Sequence of attacks

Please note that it looks better with skintight tops
MAY WORK BEST AT MEDIUM PERFORMANCE (20 FPS FRAMERATE)
Change your framerate in the client -> Settings>Target Frame Rate> 20/Medium Performance