Broken Necklace...
	Dullahan Weapon...
	Handmade Necklace...
	Lumen Audiolocket 1-7...
	Special Missions...
	True Final Boss...
	Various Steam Achievements...

Beat Firmament with Handmade Necklace.

When you have completed all four special missions the Dullahan weapon will become unlocked. Although the bullets for the Dullahan weapon are more powerfull than the other guns they cannot tag enemies for electrical attacks. This is the final weapon in the game.

Collect all seven jewels hidden in various stages and talk to Joule.

Upon cashing in 3000+ or more Kudos via a checkpoint or offensive skill, a special pendant will become available to be synthed. When equipped, it will cause a specific Anthem to be played instead of the usual randomized track. Where each song can be earned.

Audiolocket	How to unlock
Audiolocket 1: Beyond the Blue	1st Sumeragi
Audiolocket 2: Nebulous Clock	Subaquatic Base
Audiolocket 3: Azure Door	Media Tower
Audiolocket 4: Pain from the Past	Biochem Plant
Audiolocket 5: Scorching Journey	Datastore
Audiolocket 6: A Zip to the Moon	Pharma Lab
Audiolocket 7: Rouge Shimmer	Stratacombs

After beating the true final boss, you'll unlock a series of four gauntlet-style special missions. They feature many more enemies than those found it the regular stages, combined layouts of certain stages, and lack checkpoints.

When you have the correct necklace equipped you will be able to fight the 'true' final boss at the end of the Firmament level. To achieve this you must first collect the 7 hidden jewels that are scattered across each stage and speak to Joule who will give you the Handmade Necklace as a reward. If you now beat the Firmament level with the Handmade necklace equipped it will turn into the Broken Necklace which you must wear when beating the Firmament level yet again.

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Bolt Out of the Blue	Complete all of the Achievements.
Begone You Monster!	Obtain a S+ Rank on the Babel Stage.
Big Bad Electro Middle Schooler	Use over 100,000,000kw worth of electricity.
FEED MEEE!!	Obtain a S+ Rank on the Pharma Lab Stage.
Go Straight to Hell!	Obtain a S+ Rank on the Biochem Plant Stage.
Hasta La Vista	View the Normal Ending of the game.
It's My Hobby!!	View the "Creepy Electro-whip Guy" sequence..
It's My Secret Love Technique!!	Obtain a S+ Rank on the Sinner's Row Stage.
Mantis, Move Out!	Obtain a S+ Rank on the 1st Sumeragi Stage.
Master of the 7 Dragons	Acquire all of the weapons in the game.
My Songs Will Be Your Wings	View the True Ending of the game.
My Will is Already Written in the Stars!	Obtain a S+ Rank on the Firmament Stage.
One With the Lightning	Acquire all of the weapons in the game.
Oversurge! Azure Striker!	Learn all of the skills in the game.
Pure Euphoria!	Obtain a S+ Rank on the Datastore Stage.
Seeker in Blue	Complete all the Challenges in the game.
Sumeragi Run	Move a total distance of 42 kilometers.
Surmount the Insurmountable	Obtain S+ Ranks on all of the Special Stages.
Tanks Aren't Supposed to Jump!!	Obtain a S+ Rank on the Urban Run Stage.
The Lamest of Lame...	Obtain a S+ Rank on the Subaquatic Base Stage.
The Muse's Voice	Listen to all of the songs in the game.
Together With Joule	Talk with Joule 10 times.
Waaay Too Slow!	Obtain a S+ Rank on the Media Tower Stage.
Why Don't You Take a Snooze...Forever!	Obtain a S+ Rank on the Eridu Stage.
You're Gonna Be My New Plaything	Obtain a S+ Rank on the Stratacombs Stage.