I

Explose-tête

Great for early poking.

I

Bonus de PV

Great hp increase and builds into Fortitude.

I

Cadence infernale

Slight DPS increase and builds into Swift Striker.

II

Tir véloce

Significant dps increase pretty much required on Gun Warden.

II

Active

Pied plume

Really nice to have on Warden.

II

Active

Malédiction de ralentissement

Helps you secure kills easier, Binding word is easier to hit and stops enemies from escaping.

I

Tir curatif

More weapon damage while increasing sustain.

II

Active

Sentinelle gardienne

Good for playing more aggressive in lane and gives a decent move speed boost too.

IV

Canon de verre

Almost doubles your DPS. Try to build stacks after buying this.

III

Fortitude

Significant HP increase and you almost never have to heal in base.

III

Trophée de chasse

Good if you can get stacks easily or if its a long game. Preferably bought in place of Enduring Speed.

IV

Balles drainantes

Makes you tankier and increases your damage slightly.

IV

Fronde magique

Pretty good on Warden. Personally I don't like it.

IV

Tir veinard

Significant DPS increase. 25% chance to do 2.25x damage is huge.

IV

Balles perforantes

Anti-Plated Armor / Bullet Resist.

IV

Ricochet

25% Firerate is really good. Also insanely good in teamfights.

IV

Sourdine

Strong against ability/spirit builds. Builds up easily with Warden's Gun and works with Ricochet.

IV

Inhibiteur

Wins 1v1's and Great in teamfights if combined with Ricochet

III

Contresort

You can parry ults with this.

III

Active

Dissipateur d'effets négatifs

Useful for removing crucial stuns and strong DoT.

IV

Armure de plates

Better than Bullet Resilience reduces on-hit effects too. (Haze passive, Toxic Bullets, etc.)

IV

Active

Protection divine

Stronger debuff remover and gives 600 barrier. But can't remove stuns. (or ults)

IV

Trompe-la-mort

Helps you keep your Glass Cannon stacks. also good for avoiding unnecessary deaths.

III

Balles toxiques

Bleed + Antiheal. Great against tanks.

I

Balles antimonstres

Easier to farm and take down objectives faster.

III

Active

Sacrifice rituel

Even more objective damage and good stats.

II

Balles ralentissantes

Helps you hit shots easier.

IV

Parchemin de foudre

Strong with Warden's ULT. Helps you deal more damage and you get easier shots on them while they're stunned.

IV

Active

Malédiction

Useful for stopping ults and making someone useless.