Talk:Trigger/@comment-2601:249:1500:DF0:14F1:5973:A445:5108-20180625213504

I have a question about optional triggers. Can they be used in conjunction with other triggers that are also in the same area (main or sub)? For example, when Tachikawa uses his Senku, he activates both Kogetsu and Senku in the main. How can this be?