This guide is missing many key points, and saying that the Dynamo rollers are OP isnt true...
What I would suggest:
-List tatics to use with each type of roller. You vaguely explain Dynamos, but fail to explain differences between rollers like the Carbon and the CoroCoro.
-Explain their weaknesses/disadvantages (Dynamos slowness, carbon being the weakest in damage, ect) and how to work with them. No single weapon is OP.
-Give some tips for using their specials to your advantage. Things like how to use Gold Dynamos Inkstrike effectively.
If you can add these details, I'm sure you could make a good guide.