II

Arcane Surge

Sell this if you're buying a T4 item and out of slots

I

Imbue

Mystic Expansion

Extend your beam's range

II

Enchanter's Emblem

Sell this if you're out of slots and buying a good T4 item

III

Rapid Recharge

You need this for more grenades

I

Extra Regen

If you need it earlier than expected (You usually buy this for Healing Booster)

I

Restorative Shot

If you need EVEN more heal early on

II

Imbue

Compress Cooldown

Improve Ice Path's cooldown until you can get Superior Cooldown

II

Active

Guardian Ward

Can give someone's a quick extra boost

III

Active

Rescue Beam

This let you pull someone out of the mud

III

Active

Healing Nova

Better for deathballing and teamfights

III

Superior Duration

If you need more duration for dome

IV

Transcendent Cooldown

This should be your first T4 item as it helps with cooldown greatly

IV

Escalating Exposure

Your beam can build stacks easily and deal even more damage

IV

Spirit Burn

Your Beam at Tier 3 upgrade can easily proc this item if you beam a group of enemies

IV

Boundless Spirit

Generally not as needed, but comes in handy in super late games

IV

Healing Tempo

Boosts your heal and gives a nice boost to gunners

IV

Active

Divine Barrier

Really strong support item that compliment well with Rescue Beam

III

Spirit Resilience

Too much Spirit damage?

III

Bullet Resilience

Too many bullets flying toward your direction?

III

Counterspell

If enemy team has a ton of burst spirit damage, this can be really useful

III

Active

Debuff Remover

If the debuffs become unbearable or there're life threatening ones, buy this

III

Active

Warp Stone

You need to escape from specific enemies

IV

Active

Infuser

A massive boost to sustain and a bit of spirit power

IV

Spellbreaker

Greatly reduce spirit damage

IV

Plated Armor

Gunners' middle finger

IV

Juggernaut

Helps debuffing enemies' fire-rate

IV

Active

Scourge

Grants someone microwave property + 40% spirit armor

II

Healbane

If enemy has too much sustain early on

II

Imbue

Duration Extender

If you need more dome duration early on

III

Active

Knockdown

If you need to disable Vindicta, Talon, Seven, Lash

III

Active

Silence Wave

Prevents a particularly annoying enemy from using their abilities

IV

Active

Curse

"Screw you in particular"