A high wave candlestick is considered a price reversal but is not associated with a specific direction. As a standard rule if the body is black it is taken as bearish, while if it is white it is treated as bullish.
The advance block is a three bar pattern that is usually taken as a bearish reversal signal. The pattern appears as a block of three white, rising candlesticks, each with a shorter body than the last.
A counter attack line happens when there’s a price gap between the close and open of two sessions. The “counter attack” fully reverses the gap taking the price back to the close of the previous session.
In major currency pairs, the shooting star is shown to be reliable at predicting the immediate period ahead, but it is less reliable in forecasting longer term changes in trend.