The progression i Saros leans toward persistent, permanent upgrades via the Armor Matrix that steadily shape your character's long-term strength. Whether you've just had a successful run or couldn't survive the bullet hell barrage of projectiles, the game will ensure that Arjun keeps coming back stronger. This guide will break down the best Armor Matrix upgrades that you should unlock first Saroswhich helps you better prioritize your development path to strengthen your core build.

Saros: How to Claim Pre-Order and Deluxe Editions
Saros gives players extra clothes and costumes as part of the pre-order bonuses and Deluxe Edition bonuses, here's how to claim/use them.
Which Armor Matrix upgrade to unlock first
Armor Matrix is upgraded into Saros permanently improve Arjun's statsincreases his damage resistance, accumulates more Lucenite, and increases shield and power weapon usage. These upgrades can be purchased with Lucenite, a resource in the form of glowing golden orbs that fall to the ground when you defeat an enemy.
The the skill tree begins to branch into multiple pathsand you must make a choice if you want to prioritize upgrading a specific stat over the others first. Here are the main stats in which you will invest Lucenite.
- Elasticity: Increase Arjun's maximum HP.
- Command: Increase the maximum use of Shield HP and Power weapons.
- Drive: Increases the amount of Lucenite you collect from enemies.
If you're wondering which skill to prioritize first, try going to Run nodes first, followed by Resilience and then Command.
Why should you prioritize upgrading “Drive” nodes early?
If you upgrade Drive nodes, you can do so accumulates more Lucenite faster. This leads directly to faster skill leveling in a run and gaining access to high level gear faster. Additionally, you'll be able to bring back more Lucenite, meaning you'll be able to purchase Armor Matrix upgrades much more often.
After that, feel free to invest the maximum amount of Lucenite in Resilience to increase survivability in runs. Feel free to prioritize Command last, as the default Shield ability gives plenty of time to absorb projectiles before disabling them.
Armor Matrix skills you should aim to unlock first
Armor Matrix upgrades in Saros aren't just for boosting stats, but also include some crucial skills that you can unlock later down the road. These skills is a complete game changerand you should prioritize unlocking the required nodes so they can unlock them early.
- Second chance: As the name suggests, you will be able to get an extra life, and Arjun will be revived once after being shot down by enemies.
- Shield amplifier: When playing the Eclipsed sections of a biome, you will be able to capture and draw power from corrupted (yellow) projections, similar to the blue ones. But if you do this, you will not avoid corruption.
- Lucenite Saver: Reduces the amount of Lucenite lost on failed runs, allowing Arjun to return with more of it for the Armor Matrix upgrades in Saros. For example, Lucenite is reduced by 50% on a failed run at the beginning of the game. The penalty is reduced to 45% after unlocking the first Lucenite Saver upgrade.
- Artifact Slot: Each upgrade to the Artifact Slot will unlock additional artifact slots for Arjun to equip. There are 10 artifact slots at the start of the game, which can be increased up to 20 with each upgrade.

- Released
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30 April 2026
- ESRB
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Teen/blood, language, mild suggestive themes, violence
- Publisher
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Sony Interactive Entertainment

