It is now night. If you've finished all the substories and done the first part of the Amon fight, you can now access the second fight at the Temple.
Back at the Barracks, each of your three Shinsengumi friends requests a friendly training fight. You need to beat all three before you can proceed. The only new foe is Hijikata, but he's fairly similar to the other Tennen Rishin users. He uses Essence of Incendiary Bombs at half health, so be ready to dodge. When you are ready, speak to Okita. This is the point of no return
In the final location, you'll have a few small skirmishes with normal enemies. You'll then hit the first of four boss battles against
No significant challenge here. After a brief section of hallways or tunnels, you'll meet the second boss His high stance means a more aggressive fight, and in the second half the arena will fill with steam making it harder to see. Nothing crazy though. After this, a few more rooms. One of them contains an armored giant with lightning, similar to the Bandit bosses from the Battle Dungeons. After a run across the docks with cannonballs falling and a QTE, SURPRISE! Boss three is All his goons have guns, and two gatling guns at the back. Hit them first. He will switch to flame rounds at half health. After he's done, enter the castle.Go time.
has three stages. He starts with Swordsman, with some wide sweeps and great blocking and defense. Second is his version of your Wild Dancer. The arena opens up a bit, so make use of the space and avoid his sword combo. Third is back to Swordsman with some ranged sweeps, but they're not difficult to dodge in Wild Dancer. Once he goes down, enjoy a lengthy cutscene with some fun reveals. You did it!