riders on canon of vengence

[i like swords]

yeah i'm trying to battle the demi-fiend. problem is i have no clue where the the four riders are supposed to spawn in this path. in canon of creation. the spawn point is in the place where you fought surt. but canon of vengence. it's somewhere in shinjuku. the guide i found was very helpful just saying to explore shinjiku. so can someone tell me where the four horsemen spawn in canon of vengence?

[Oneline]

They spawn after you reach the north-western part of shinjuku, i.e. you need to explore like 3/4 of this map.

[WarWeeny]

if you go to the quest tab in the menu, you can check their current location, if you do not have that option, you need to discover the area first. (i play with a ps4 controller and i can check the location by touching the left part of the touchpad)

that is how i found every rider and other bosses.

[i like swords]

nvm. i figured it out. i didn't realize i was supposed to go to the world of shadows after defeating hell biker. that was the issue.