Invoke

NecrobinderSkillCommon
Next turn, Summon 2 and gain .
  • Effect: it applies two powers, Summon Next Turn for 2 and Energy Next Turn for 2.
  • Summon: at the start of your next turn you Summon 2, which brings Osty back with 2 HP or raises his Max HP by 2 if he is out, and you gain 2 extra Energy.
  • Net: one Energy now for 2 next turn is a net gain of 1 plus the summon.
  • Upgrade: both numbers are 3, a net gain of 2.
Character
Type
Skill
Rarity
Common
Cost
1 Energy
Target
Yourself

When to take Invoke

A Common that pays for itself and sets up big turns for Bury or End of Days. Take it in Act 1 and upgrade it early for a whole extra Energy plus a bigger summon.

Cards that synergize with Invoke

Bury
Attack
4
Deal 52 damage.
Bury and Reap want the five-Energy turn.Deal 52 damage.
Reap
Attack
3
Retain.
Deal 27 damage.
Bury and Reap want the five-Energy turn.Retain.
Deal 27 damage.
Eradicate
Attack
X
Retain.
Deal 11 damage X times.
Eradicate and Dirge turn the spare Energy into X.Retain.
Deal 11 damage X times.
Dirge
Skill
X
Summon 3 X times.
Add X Souls into your Draw Pile.
Exhaust.
Eradicate and Dirge turn the spare Energy into X.Summon 3 X times.
Add X Souls into your Draw Pile.
Exhaust.
Danse Macabre
Power
1
Whenever you play a card that costs or more, gain 4 Block.
Danse Macabre gives Block for the expensive cards you can now play.Whenever you play a card that costs or more, gain 4 Block.
Squeeze
Attack
3
Osty deals 25 damage.
Deals 5 additional damage for ALL your other Osty Attacks.
Squeeze counts on Osty, whom Invoke SummonsOsty deals 25 damage.
Deals 5 additional damage for ALL your other Osty Attacks.
Flatten
Attack
2
Osty deals 12 damage.
This card costs 0 if Osty has attacked this turn.
Flatten counts on Osty, whom Invoke SummonsOsty deals 12 damage.
This card costs 0 if Osty has attacked this turn.
Protector
Attack
1
Osty deals 10 damage.
Deals additional damage equal to Osty's Max HP.
Protector counts on Osty, whom Invoke SummonsOsty deals 10 damage.
Deals additional damage equal to Osty's Max HP.
Rattle
Attack
1
Osty deals 7 damage.
Hits an additional time for each other time he has attacked this turn.
Rattle counts on Osty, whom Invoke SummonsOsty deals 7 damage.
Hits an additional time for each other time he has attacked this turn.
Snap
Attack
1
Osty deals 7 damage.
Add Retain to a card in your Hand.
Snap counts on Osty, whom Invoke SummonsOsty deals 7 damage.
Add Retain to a card in your Hand.
Poke
Attack
0
Osty deals 6 damage.
Poke counts on Osty, whom Invoke SummonsOsty deals 6 damage.
Unleash
Attack
1
Osty deals 6 damage.
Deals additional damage equal to Osty's current HP.
Unleash counts on Osty, whom Invoke SummonsOsty deals 6 damage.
Deals additional damage equal to Osty's current HP.
Bone Shards
Attack
1
If Osty is alive, he deals 9 damage to ALL enemies and you gain 9 Block.
Osty dies.
Bone Shards counts on Osty, whom Invoke SummonsIf Osty is alive, he deals 9 damage to ALL enemies and you gain 9 Block.
Osty dies.
High Five
Attack
2
Osty deals 11 damage
and applies 2 Vulnerable
to ALL enemies.
High Five counts on Osty, whom Invoke SummonsOsty deals 11 damage
and applies 2 Vulnerable
to ALL enemies.
Necro Mastery
Power
2
Summon 5.
Whenever Osty loses HP,
ALL enemies lose that much HP as well.
Necro Mastery counts on Osty, whom Invoke SummonsSummon 5.
Whenever Osty loses HP,
ALL enemies lose that much HP as well.
Sic 'Em
Attack
1
Osty deals 5 damage.
Whenever Osty hits this enemy this turn, Summon 3.
Sic 'Em counts on Osty, whom Invoke SummonsOsty deals 5 damage.
Whenever Osty hits this enemy this turn, Summon 3.
Spur
Skill
1
Retain.
Summon 3.
Osty heals 5 HP.
Spur counts on Osty, whom Invoke SummonsRetain.
Summon 3.
Osty heals 5 HP.
Calcify
Power
1
Osty's attacks deal 4 additional damage.
Calcify counts on Osty, whom Invoke SummonsOsty's attacks deal 4 additional damage.
Right Hand Hand
Attack
0
Osty deals 4 damage.
Whenever you play a card that costs or more, return this to your Hand from the Discard Pile.
Right Hand Hand counts on Osty, whom Invoke SummonsOsty deals 4 damage.
Whenever you play a card that costs or more, return this to your Hand from the Discard Pile.
Fetch
Attack
0
Osty deals 3 damage.
If this is the first time this card has been played this turn, draw 1 card.
Fetch counts on Osty, whom Invoke SummonsOsty deals 3 damage.
If this is the first time this card has been played this turn, draw 1 card.
Sacrifice
Skill
1
Retain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.
Sacrifice counts on Osty, whom Invoke SummonsRetain.
If Osty is alive, he dies and you gain Block equal to double his Max HP.
Volley
Attack
X
Deal 10 damage to a random enemy X times.
Volley costs X, so every Energy Invoke gives goes into itDeal 10 damage to a random enemy X times.

Relics that synergize with Invoke

Ivory Tile
Ivory Tile refunds Energy on 3-cost cards.Whenever you play a card that costs or more, gain .
Bone Flute
Bone Flute counts on Osty, whom Invoke SummonsWhenever Osty attacks, gain 2 Block.

Changes by version

  1. 5 Feb 2026InterfaceEnergy Next TurnInternal playtest
    Invoke card now applies the Energy Next Turn power instead of the effect being part of the Invoke power
  2. Necrobinder's 2nd card unlock set unlocks Afterlife rather than Invoke
  3. 1 Jan 2026ReworkInternal playtest
    Reworked the card
All 16 patch notes13 older
  1. 20 Nov 2025ReworkInternal playtest
    Reworked the card
  2. 13 Nov 2025ReworkInternal playtest
    Reworked cards
  3. 25 Sep 2025InterfaceOstyInternal playtest
    Invoke card now glows gold if Osty has attacked this turn
    Bug fixStompInternal playtest
    Ambush, Invoke, and Stomp cards' cost reductions now properly apply if they're played multiple times in the same turn
  4. 4 Sep 2025TextInternal playtest
    Invoke card has been reworded to be more consistent with other cards with dynamic energy costs
    Bug fixOstyInternal playtest
    If Invoke card is Transfigured and then Osty attacks, Invoke now properly costs 0 instead of 1
  5. 14 Aug 2025Damage17(21)15(19)Internal playtest
    Damage decreased from 17 to 15 (upgraded 21 to 19)
  6. 7 Aug 2025ReworkInternal playtest
    Reworked the card
  7. 3 Jul 2025Bug fixInternal playtest
    Fixed softlock with Invoke card when you tried to inspect it
    Bug fixThe SmithInternal playtest
    Invoke card now correctly reads that it deals 4 to 6 damage in Smith screen
  8. 26 Jun 2025ReworkInternal playtest
    Reworked cards
  9. 20 Jun 2025InterfaceOstyInternal playtest
    Invoke card now glows gold if Osty is dead
  10. 3 Apr 2025Damage5(8)4(6)Summon1(1)3(4)Internal playtest
    Damage decreased from 5 to 4 (upgraded 8 to 6) and Summon increased from 1 to 3 (upgraded 1 to 4)
  11. 6 Mar 2025ArtInternal playtest
    Added portraits
  12. 20 Feb 2025Bug fixDoomInternal playtest
    Invoke card now properly shows the hovertip for Summon instead of Doom
  13. 13 Feb 2025AddedInternal playtest
    Added to the game

Internal playtest notes are from before the Early Access release. Names and numbers in them can differ from the game today.

Purchase today
If you haven't bought Slay The Spire 2 yet, it's time. Support the devs, they made an amazing game.Get it on Steam