I don't know if it is 30% but still it will increase ur attack speed. I'm using it and the fly hack for me able to lvlup fast. I hope it could help us. ^^ It can be temporary sub for hotswap since hotswap is disable now. We can use it for us to able to lvl a little bit faster.
Simply, just follow the steps below :
1. Open ur CE
2. Target RF.bin
3. Value type : Text
4. Search : Your Weapon. ex. Strong Intense Missile Launcher
5. Search for the correct code of your weapon.
6. Look for A8 08 make it 00 00.
7. Highlight the 00 00 then add to address.
8. Frozen it then = sign.
That's it. I hope, I could help you. ^^
Using this cheat + the FLY HACK cheat = It will help you to level up fast.
If you will use the FLY HACK, I hope this will help too.
For AGORA AREA - 233 change to 201 and 17650 change to 17100.
For CAULDRON AREA - 233 change to 201 and 17650 change to 17400.
It was tested and confirmed that I wasn't able to see by anyone. You are not able to see, meaning, you are invisible. ^^