在地面不平整的地方，保持原地不动，只有朝南施放技能时才会加速（主动再往前走一点倒是哪个方向都有）。
我在室内也试了一下，四个方向都正常。
"Shadow
Path of Darkness: The effects from this ability and its morphs will now apply more consistently, rather than having different behaviors for line-of-sight rules across them." 版本更新还特意说了修过这个技能。