I

加强

秘术扩张

Extend your beam's range

II

秘法涌动

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

II

附魔纹章

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

II

加强

冷却压缩

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

I

加速回复

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

I

疗愈子弹

If you need EVEN more heal early on

I

秘术爆发

This can help buff nade often in case you need nade more than beam in lane

III

寻猎季节

High risk (team dependent), high reward (many different buffs+ passive soul income)

III

主动

特异供奉

If you lose a lane too hard this can help you quickly farm back up

II

主动

护卫结界

Can give someone's a quick extra boost

III

主动

营救光束

This let you pull someone out of the mud

III

主动

治疗之环

Better for deathballing and teamfights

IV

超凡冷却

This should be your first T4 item as it helps with Rescue Beam's cooldown greatly

III

余威久久

If you need more duration for dome

IV

伤上加伤

Your beam can build stacks easily and deal even more damage

IV

元灵燃烧

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

IV

灵力无边

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

IV

治疗律动

Boosts your heal and gives a nice boost to gunners

IV

主动

神圣屏障

Really strong support item that compliment well with Rescue Beam

IV

主动

灵力灌注

A massive boost to sustain and a bit of spirit power

III

元灵护体

Too much Spirit damage?

III

子弹坚甲

Too many bullets flying toward your direction?

III

法术反制

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

III

主动

减益消除

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

III

主动

传送石

You need to escape from specific enemies

IV

破咒护符

Greatly reduce spirit damage

IV

铁板重甲

Gunners' middle finger

IV

破阵之势

Helps debuffing enemies' fire-rate

IV

主动

敌之灾患

Grants someone microwave property + 40% spirit armor

II

不治魔咒

If enemy has too much sustain early on

II

加强

余威回荡

If you need more dome duration early on

III

主动

天锤压顶

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

III

主动

沉默之潮

Prevents a particularly annoying enemy from using their abilities

III

火速充能

If you need more grenades for heal

IV

主动

扰动

"Screw you in particular"