Restorative Shot

500

Good for trading keeps you healthy in lane get first for most match ups

Extra Regen

500

Get before resto if you need to play more passive

Active

Infuser

500

Significant trading power in this item. Throw your 1, pop the infuser active to ignore the bonus damage you take and then run people down with your 2

Sprint Boots

500

Upgrade to Enduring Speed early if enemies are stacking slows look for upgrading into mid game to stay mobile

Berserker

1250

Major spike in terms of damage can skip burst/reach if fighting often

Soul Shredder Bullets

1250

Good for skirmishing this will give you the sustain needed in longer fights

Spirit Armor

1250

Mitigates self damage look to purchase every game especially around first point into malice

Improved Cooldown

1250

Lady Giest has insanely good base damage with okay ratios this plays off of her already good abilities

Mystic Reach

500

Solid choice to keep onto people with your 2 and some range for 4. Not a must build but a more often then not item.

Mystic Shot

1250

Good damage scales well not as core as soul shredder but gives you extra oomph when needed

Kinetic Dash

1250

Get kinetic dash if you need extra mobility in fights

Slowing Bullets

1250

Good item for sticking onto targets works well with long range

Long Range

1250

Gets high value against fliers or enemies who want to space you if you have ult don't get if the enemy team wants to all in you often

Improved Burst

3500

Good spike of damage this will make your spirit damage relevant into the mid and late game

Active

Warp Stone

3000

Prioritize this over imp burst if you need the gap closer

Bullet Armor

1250

Get bullet armor earlier if you're behind but not before core early items

Superior Cooldown

4250

Imbue on 3 to stack malice faster (Can delay for Frenzy/Leech)

Extra Stamina

500

Buy against characters that want to cripple your stam (Warden, Mcginnis)

Healbane

1250

Get this if the enemy has a ton of consistent healing or if you want to build Leech as your first tier 4

Healing Booster

1250

Good item if enemy is stacking heal reduction

Debuff Reducer

1250

If the enemy is stacking stuns or DOT's (Infernus, Pocket...) fit this in after buying mid core items

Mystic Vulnerability

1250

Buy this early if your team is spirit heavy or you can't trade shots with enemies (can purchase over bullet resist shredder)

Bullet Resist Shredder

1250

Not as core as a lot of people buy this and it doesn't stack if team is missing bullet res shred try and pick it up if you need to fill in slots

Active

Ethereal Shift

3000

High value if against game winning ults or burst damage (Lash, Vindicta, Warden, Infernus, Shiv ext...)

Active

Knockdown

3000

Buy against fliers or to give your engagers a window

Active

Decay

1250

Good against Abrams, Shiv, Infernus or any Leech users

Active

Cold Front

1250

Good farming item solid against spirit damage would build when the game isn't high tempo

Active

Debuff Remover

4250

Buy against Infernus, Pocket Get this item late game with silencer to stack debuff resistance

Enduring Speed

1750

Solid upgrade good for any characters with significant slows (Warden, Viscous)

Frenzy

7250

High DPS increase premier Giest item

Leech

7250

Get this as your first tier 4 if the enemy has a ton of burst you can live through

Crippling Headshot

6000

Good buy against enemy building resistances gets best value before improved armors are purchased on enemies

Improved Spirit Armor

4250

Getting after Frenzy helps covers your health costs and any significant burst damage in the game

Active

Colossus

6000

Only get after you have other tier 4's insanely late game

Improved Bullet Armor

4250

Get improved armors according to the damage in the lobby buy only after you you have a tier 4 if possible

Active

Curse

6000

Do not buy as first tier 4 unless desperately behind Use this to disrupt the enemy primary carry

Silencer

6000

Stack with debuff remover to become impossible to lockdown insanely high value against characters like Infernus (should be a third or fourth late game option.)