Shiva bow is wot m8 but the easiest to obtain out of the bottom group you just named...... Yoichi takes the cake just because of customization with Dread giving a +2 weapon dmg and Magitek upgraded giving a plus 1

So Dread, Mag, Yoichi

But all content up till now can be done with i120+ or i115 with a very good group.......

But yes those are the only bows better than the Crystal