Thunder Ryus Weapon
Type Beam katana
Creators An "infamous Japanese hitman"
Destroyed Though never "destroyed," the D.O.S. is later redesigned as a new beam katana
Owners Thunder Ryu, later redesigned for Travis Touchdown

The D.O.S. is a fictional weapon in the 2007 video game No More Heroes. It is a beam katana constructed by an infamous Japanese hitman, and one of the more dangerous models to use. The blade of the D.O.S. activates the instant its handle is removed from its scabbard, and the beam katana features no off switch in its design. This makes the process of refitting the blade into the scabbard extremely difficult, as well as unsafe. Also, the end of the handle from which the blade projects resembles a power plug. The design of the D.O.S. itself bares a resemblance to a shirasaya, a plain Japanese blade mount.

Japanese SwordEdit

After his ranking match against Speed Buster, Travis Touchdown obtains the D.O.S., known at the time as the "Japanese Sword." The sword is taken to Dr. Naomi who reconstructs it based upon her research, to produce the completed Tsubaki model, the Tsubaki Mk-III beam katana.

In the Trading Card GameEdit

There is one trading card featuring the D.O.S. in the Design Materials set, "Thunder Ryu's Weapon".

No More Heroes series
Games No More Heroes · No More Heroes: Desperate Struggle · No More Heroes: Heroes' Paradise
Characters Bishop Shidux · Cat Jeane · Diane · Dr. Naomi · Ermen Palmer · Henry · Jeane · Keita Sakai · Mask de Uh · Naoko Mori · Randall Lovikov · Sylvia Christel · Talbot and Weller · Thunder Ryu
Assassins Travis Touchdown · Helter-Skelter · Death Metal · Dr. Peace · Shinobu · Destroyman · Holly Summers · Letz Shake · Harvey Moiseiwitsch Volodarskii · Speed Buster · Bad Girl · Dark Star
Locations Area 51 · ATM · Atomic Drop Ward · bar plastic model · Beef Head · Body Slam Beach · Destroy Stadium · Iron Claw Point · Job Center · K-Entertainment · Motel "NO MORE HEROES" · Naomi's Lab · Rolling Cradle Highway Bus Stop · Rounding Body Press Station · Santa Destroy High School · Santa Destroy Junction · Suplex Pizza · Thunder Ryu Bldg.
Settlements Santa Destroy, California · Speed City
Weapons Beam katana · Blood Berry · Buster Launcher · Cross Sword · D.O.S. · Earthquake Maker · Horse Saber · Magic Double Saber · Orange II · SFX Converter · Three Girl Rhumba's Sword · Tsubaki · Tsubaki Mk-II · Tsubaki Mk-III
Vehicles Schpeltiger
Soundtracks No More Heroes Original Sound Tracks · No More Heroes Sound Tracks: Dark Side

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