I

Close Quarters

Fathom currently has a shotgun, you need to be close.

I

Extra Charge

Get in close with Scalding Spray!

I

Extra Spirit

Boosts Spirit!

II

Improved Spirit

Boosts Spirit, Again!

I

Mystic Regeneration

I like taking this because this build frequently does spirit damage.

I

Extra Regen

I take this to upgrade into Healing Tempo Later

I

Active

Healing Rite

I don't normally pick this, but I can see its use.

III

Rapid Recharge

More Scalding Spray!

II

Imbue

Compress Cooldown

Faster Scalding Spray

II

Mystic Vulnerability

Deal more spirit damage after dealing spirit damage!

III

Point Blank

Makes the shotgun even more effective up close.

II

Bullet Lifesteal

You deal a lot of bullet damage now, so this helps with staying alive.

III

Radiant Regeneration

I like the healing from using an ability along with healing from dealing spirit damage.

II

Healing Booster

Boosts our healing items. (Not sure if it boosts our passive)

III

Active

Healing Nova

If you picked up Healing Rite, you can upgrade it into this.

III

Bullet Resilience

Take if you are suffering from a lot of bullet damage.

III

Spirit Resilience

Take if you are suffering from a lot of spirit damage.

III

Superior Cooldown

This allows you to use Breach every 10 seconds, which will help us later if you get Spellslinger.

IV

Boundless Spirit

Boosts spirit power again!

II

Bullet Resist Shredder

You can get this earlier if the enemy has some bullet resist.

I

Rapid Rounds

Only here to show that it builds into burst fire, can buy at any point.

III

Burst Fire

Shoot faster after hitting an enemy! Careful of those reloads!

IV

Escalating Exposure

Deal more spirit damage per spirit damage

IV

Healing Tempo

Get extra fire rate after healing!

IV

Leech

Get spirit and bullet lifesteal, along with some other benefits.

IV

Spellslinger

Cast Breach to keep this up, otherwise its helpful when you need to use multiple scalding sprays during a fight