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Human thought tends to have inertia.
People often follow the paths on which they have succeeded before, repeatedly implementing similar plans.
This time, snatching chestnuts from the fire, by commanding pirates to suddenly attack the Research Institute's cruise ship in safe waters, was in fact similar to Balan's youthful days when he broke into his warlord boss's home and killed the warlord in what the boss thought was the safest place.
Therefore, after hearing the Speech Master recount Balan's past, and upon hearing that Yang De was preparing to rescue, He Ao already had an expectation of Balan launching a surprise attack.
However, at the end of the day, such an action was still too risky. If the Research Institute could hold on just a bit longer, the surprise attack would fail, and Balan would likely lose his life.
Therefore, no matter how you look at it, the probability of Balan launching a surprise attack should have been very, very small.
