
Backstab
Attack
0
Innate.
Deal 11 damage.
Exhaust.
Deal 11 damage.
Exhaust.

Backstab+
Attack
0
Innate.
Deal 15 damage.
Exhaust.
Deal 15 damage.
Exhaust.
Backstab
SilentAttackUncommon
Innate puts it in your opening hand every combat. It deals 11 damage, 15 upgraded, for 0 Energy, then exhausts. It has no other text, so nothing else happens; it is pure free damage on turn 1.
When to take Backstab
Strong in Act 1, where 11 free damage on turn 1 kills or cripples most single enemies and speeds up hallway fights. Its value fades by Act 3, making it a fair removal target later.
Cards that synergize with Backstab

Assassinate
Attack
0
Innate.
Deal 10 damage.
Apply 1 Vulnerable.
Exhaust.
Deal 10 damage.
Apply 1 Vulnerable.
Exhaust.
AssassinateAssassinate joins it for 21 free damage before you draw.Innate.
Deal 10 damage.
Apply 1 Vulnerable.
Exhaust.
Deal 10 damage.
Apply 1 Vulnerable.
Exhaust.

Expose
Skill
0
Remove all Artifact and Block from the enemy.
Apply 2 Vulnerable.
Exhaust.
Apply 2 Vulnerable.
Exhaust.
ExposeExpose strips Block first so the damage lands.Remove all Artifact and Block from the enemy.
Apply 2 Vulnerable.
Exhaust.
Apply 2 Vulnerable.
Exhaust.

Finisher
Attack
1
Deal 6 damage for each Attack already played this turn.
FinisherFinisher counts it as an attack this turn.Deal 6 damage for each Attack already played this turn.

Calamity
Power
3
Whenever you play an Attack, add a random Attack into your Hand.
CalamityCalamity counts the Attacks you play, and Backstab is a free oneWhenever you play an Attack, add a random Attack into your Hand.

Serpent Form
Power
3
Whenever you play a card, deal 4 damage to a random enemy.
Serpent FormSerpent Form rewards playing many cards, and Backstab is freeWhenever you play a card, deal 4 damage to a random enemy.

Strangle
Attack
1
Deal 8 damage.
Whenever you play a card this turn, the enemy loses 2 HP.
Whenever you play a card this turn, the enemy loses 2 HP.
StrangleStrangle rewards playing many cards, and Backstab is freeDeal 8 damage.
Whenever you play a card this turn, the enemy loses 2 HP.
Whenever you play a card this turn, the enemy loses 2 HP.

Afterimage
Power
1
Whenever you play a card, gain 1 Block.
AfterimageAfterimage rewards playing many cards, and Backstab is freeWhenever you play a card, gain 1 Block.

Panache
Power
0
Every time you play 5 cards in a single turn, deal 10 damage to ALL enemies.
PanachePanache rewards playing many cards, and Backstab is freeEvery time you play 5 cards in a single turn, deal 10 damage to ALL enemies.
Relics that synergize with Backstab
Bag of MarblesBag of MarblesBag of Marbles makes the opening hit 50 percent larger.At the start of each combat, apply 1 Vulnerable to ALL enemies.
ShurikenShurikenShuriken and Kunai want the extra attack play.Every time you play 3 Attacks in a single turn, gain 1 Strength.
KunaiKunaiShuriken and Kunai want the extra attack play.Every time you play 3 Attacks in a single turn, gain 1 Dexterity.
NunchakuNunchakuNunchaku counts the Attacks you play, and Backstab is a free oneEvery time you play 10 Attacks, gain .
KusarigamaKusarigamaKusarigama counts the Attacks you play, and Backstab is a free oneEvery time you play 3 Attacks in a single turn, deal 6 damage to a random enemy.
Ornamental FanOrnamental FanOrnamental Fan counts the Attacks you play, and Backstab is a free oneEvery time you play 3 Attacks in a single turn, gain 4 Block.
Daughter of the WindDaughter of the WindDaughter of the Wind counts the Attacks you play, and Backstab is a free oneWhenever you play an Attack, gain 1 Block.
Pen NibPen NibPen Nib counts the Attacks you play, and Backstab is a free oneEvery 10th Attack you play deals double damage.
Rainbow RingRainbow RingRainbow Ring counts the Attacks you play, and Backstab is a free oneThe first time you play an Attack, Skill, and Power each turn, gain 1 Strength and 1 Dexterity.
Razor ToothRazor ToothRazor Tooth counts the Attacks you play, and Backstab is a free oneEvery time you play an Attack or Skill, Upgrade it for the remainder of combat.
Burning SticksBurning SticksBurning Sticks triggers when cards are Exhausted, and Backstab Exhausts itselfThe first time each combat you Exhaust a Skill, add a copy of it into your Hand.
Joss PaperJoss PaperJoss Paper triggers when cards are Exhausted, and Backstab Exhausts itselfEvery 5 times you Exhaust a card, draw 1 card.
Iron ClubIron ClubIron Club rewards playing many cards, and Backstab is freeEvery 4 cards you play, draw 1 card.
Forgotten SoulForgotten SoulForgotten Soul triggers when cards are Exhausted, and Backstab Exhausts itselfWhenever you Exhaust a card, deal 1 damage to a random enemy.

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