This is a guide to Bossotronic Fighter at the Battle Lab, for Paper Mario: The Origami King, for the NIntendo Switch. Read on to learn how to defeat every Bossotronic boss and how to get Treasure No. 15: Bowser!

Bossotronic Fighter at Battle Lab

Find the VR Chamber

After rescuing the Toad (origami dog) at Picnic Road, you will unlock the Battle Lab in Toad Town. Go inside and check the VR chamber to the left. The Toad will ask you if you "wanna use the Bossotronic Animated Machine Fighter." Choose yes, and you will be taken to the Bossotronic Fighter screen.

• Picnic Road 100% Walkthrough
• Toad Town 100% Walkthrough

Play Bossotronic Fighter

Depending on the bosses you've already defeated, you will be able to select from VR Vellumentals, Bosses, or Paper Macho battles. Each category will take you to a sub-menu where you can select the boss you want to fight again.

Collectible Treasure No. 15: Bowser

After defeating the Bossotronic version of every boss, the Battle Lab Toad will reward you with Treasure No. 15: Bowser.

Bossotronic Fighter Bosses

The strategies for beating Bossotronic Bosses are the same as beating the real bosses. Check out our Boss Battle Guides to hone your Boss Battle skills!

Boss Fight Guide & List of All Bosses

Red Streamer Zone Bosses

Earth Vellumental

Colored Pencils

Blue Streamer Zone Bosses

Water Vellumental

Rubber Band

Yellow Streamer Zone Bosses

Gooper Blooper	Giant Pokey
Fire Vellumental	Hole Punch

Purple Streamer Zone Bosses

Ice Vellumental

Tape

Green Streamer Zone Bosses

Sumo Bros	Handaconda
Buzzy Beetle	Scissors

Finale

Stapler

King Olly

Related Guides

Battle Lab Rewards