Samurai armor

[JakkofAll]

I had a question about the samurai armor. All the information I can find on it says it has some benefits when using specific katanas(which makes sense for the name). However my friend found on the forums someone said that it boosts ra techs. Was it changed for this server? Is there anywhere I can find all the major changes to items for ultima? 

[Trigunman]

https://www.phantasystaronline.net/forum/index.php?/wiki/items/

[R-78]