How to create Anotherwatch (in my opinion)

1. Build

Go to 2017 where Skywall exist, absorb the Nebulas Gas.

2. Ex-Aid

Go to the "Zero Day", absorb the game virus of "Mighty Action C" game that was created by Dan Kuroto.

3. Fourze

Go to cosmic or galaxies, absorb the needed essence (dont absorb it too much).

4. Faiz

Absorb the dust of Orphnoch who died in the battle.

5. Wizard

Go to the medieval era, find dark magic items or resources and absorb them.

6. Gaim

Go to helheim, pick helheim fruits and a rotten orange, and absorb them.

7. Ghost

Absorb all vengeful spirits, included mythical ghosts.

8. Shinobi

Find forbidden technique scroll and absorb them

9. Quiz

Find scientist with highest IQ and absorb half of his IQ.

10. Kikai

Go to the haunted world, there you can find a haunted tree and pick some branches. Watch out the tree could bitch slap you in the face. Find some of the remain of Humanoise, and absorb all of them.

11. Ryuga & Ryuki

Go to the mirror world

12. Blade

Collect the Joker Undead Card, Hercules Beetle Change Card, Mantis Change Card and absorb them.

13. Another Agito (Another Rider)

Just take the suit of Another Agito in the backstage, repaint it, retool little bit, steal the power of Kamen Rider  Another Agito.

14. Hibiki

Steal the power of Hibiki

15. ZI-O

Go to the mirror world, stole the power of ZI-O mirror world version.

16. OOO

Collect all cell medals and Tatoba core medals, and absorb them.

17. Kuuga

Go to the tomb of Kuuga, and absorb the Arcle.

18. Double

Steal all the Gaia Memories and absorb them.

19. Den-O

Steal his belt and his pass and absorb them.

Thats pretty much about it