How to define PA zones in a flag Forex Trading strategies

Its has quite fascinated to see pound rallies to the target. Now new trade opportunity awaiting and with a very good risk reward. But we need to see how Price action unfolds around 134.00 area.

Price has been in range of a flag and that area is quite a strong S/R flip & now if price manage to continue the rally towards the 133.00 area, then we probably will set a pending sell order at 133.96 & stop around 134.16 & profit should be 132.30 leaving you with 10 times Risk Reward.
Update of eur/jpy h4 chart.
Entry exact pip 133.96
Already 4 times reward at 133.08