这个支线任务有等级和主线剧情进度限制，我发现之后直接就删档重开了。
May I ask if there are any restrictions on the level and task? When I was doing the task, I wasn't sure which boss to fight, so I put it on hold. I thought it was because I didn't pass enough main quests
A friend edited an online game strategy guide and posted it on this forum. You can find his post and download the strategy guide to take a look.
