Ascending can break to the upside as continuation, or to the downside as reversal. However they don't usually reverse the underlying, longer term trend. The standard target on a entry on the break of the ascending is the starting point. You can see in the BNBBTC example that the price reversed up very close to the same level that marked the start of the .
Sometimes the ascending will break , to the upside, but the chances of that are lower as the support line is rising faster - what this means is that if the price traded sideways, it would eventually break the support line and thus the bears need less strength to break that support line than what the bulls need to break resistance.
In this example the ascending is going with the trend, as BNBBTC is very on the daily and weekly, as such the expected outcome of the ascending is not a trend reversal, rather it is a retracement back down to the starting level and likely continuation to the upside in the medium term. An ascending during a downtrend is much more likely to be a continuation pattern, and short term bulls that played this should make their exit as soon as there is a close below the support line.