Rumble

If you haven't an idea how to strike or the basics of rumble PLEASE
READ here:
Official OOO Rumble documents
And here:
Yppedia Documentation

Whence you got the basics down. Its time to learn strategy.
Read here:

Boot Hook's Rumble Guide.
Boot Hook's Second Rumble Guide.


For additional stuff you might want to know, look here:

Strike Calculations.
Sprinkle Calculations.
(Keep in mind. Your style of play and how much you bruise in your strikes alters the effectiveness of any weapon.)
Bludgeon Drop-Patterns.


AFTER You read all this.
You NEED TO PRATICE it.

I recommend practicing on Knock-out:[insert level here] rumble bots in your mission.
When you get to a place where you can make the level 10 bot Squell consecutively;
You should be able to move on to humans.


Here's Legendary/Ultimate people (Including Ashish and Daviro [#1 on all oceans]) fighing:

Ashish vs. Daviro [Ashish Perspective].
Whool vs. Cactus hugger. [Whool Perspective].
Daviro vs. Ashish [Daviro Perspective].

~ Trig.

N.B. Yes there are subtle changes.