Now as of recently I have become submerged into Elliott wave theory.
It helps me define order flow on a fractal level and with the implementation of certain other order flow concepts, I can then define the intent of order flow between sessions.
Elliott wave is fundamental in understanding market structure. Impulses and Corrections are fundamental in driving liquidating factors into the market and also actually helping in drawing the correct Fibonacci levels as EWT has rules. And as traders we need rules as with every game, but it adds to confluence and the overall strategy in defining well positioned entries.
Another Concept I implement is the Volume Spread analysis. Everyone has their take on volume, but volume is their as a leading indicator to show you between each timeframe which transactions were of the dominant force, and also who is the dominating pressure inside each candlestick no matter the time frame.
With this knowledge you can then break down each candlestick to define the motive and where and why and to which extent order flow may extend and the overall transactional bias in the market by seeing the divergences between the spread and the volume.
This is definitely a good foot print as well blending in session open times and closes. I personally enjoy the killzone theory conceptualized by ICT as it does help with timing and is based around the major session times when volume enters the market.
Wyckoff models are a good study as blending volume spread analysis will aid in picking potential market tops and bottoms, EWT sealing the cap with knowing how certain intentions by large market participants are fractalized.
This here is the Overnight Diagonal which is very manipulative. Diagonals take time to notice, but VSA helps bring confluence in determining whether or not the timing of a trade is high probability.
Remember, then manipulator always win, as that what manipulators are all for, self interest.