Version

Boost Away

DefectSkillCommon
Gain 6 Block.
Add a Dazed into your Discard Pile.

Free 6 Block (9 upgraded), then a Dazed goes into your Discard Pile. Dazed is Ethereal and Unplayable: it takes up a draw later this combat and exhausts at the end of the turn you draw it. Dexterity adds to the Block. Nothing about the card is conditional.

Character
Defect
Type
Skill
Rarity
Common
Cost
0 Energy
Target
Yourself

When to take Boost Away

A cheap Defect Block card for Act 1, when 0-cost Block matters and one stray Dazed rarely hurts. It becomes a real pick once your deck rewards Status cards.

Cards that synergize with Boost Away

Trash to Treasure
Power
1
Whenever you create a Status, Channel 1 random Orb.
Trash to Treasure Channels a random Orb when the Dazed is created.Whenever you create a Status, Channel 1 random Orb.
Smokestack
Power
1
Whenever you create a Status, deal 5 damage to ALL enemies.
Smokestack deals 5 to all enemies for the same reason.Whenever you create a Status, deal 5 damage to ALL enemies.
Iteration
Power
1
The first time you draw a Status each turn, draw 2 cards.
Iteration draws 2 the first time you draw a Status each turn.The first time you draw a Status each turn, draw 2 cards.
Flak Cannon
Attack
2
Exhaust ALL your Status cards.
Deal 8 damage to a random enemy for each card Exhausted.
Flak Cannon exhausts your Statuses for 8 damage each.Exhaust ALL your Status cards.
Deal 8 damage to a random enemy for each card Exhausted.
Compact
Skill
1
Gain 6 Block.
Transform all Status cards in your Hand into Fuel.
Compact turns Statuses in Hand into Fuel.Gain 6 Block.
Transform all Status cards in your Hand into Fuel.
Rocket Punch
Attack
2
Deal 13 damage.
Draw 1 card.
Whenever you create a Status, reduce this card's cost to 0 until played.
Rocket Punch puts Status cards to use, and Boost Away creates themDeal 13 damage.
Draw 1 card.
Whenever you create a Status, reduce this card's cost to 0 until played.
All for One
Attack
2
Deal 10 damage.
Put ALL 0 cards from your Discard Pile into your Hand.
All for One looks for 0 Energy cards, and Boost Away is oneDeal 10 damage.
Put ALL 0 cards from your Discard Pile into your Hand.
Feral
Power
2
The first time you play a
0 Attack each turn,
return it to your Hand.
Feral looks for 0 Energy cards, and Boost Away is oneThe first time you play a
0 Attack each turn,
return it to your Hand.
One for All
Power
1
EVERYONE'S 0 Attacks deal 3 additional damage.
One for All looks for 0 Energy cards, and Boost Away is oneEVERYONE'S 0 Attacks deal 3 additional damage.
Panache
Power
0
Every time you play 5 cards in a single turn, deal 10 damage to ALL enemies.
Panache rewards playing many cards, and Boost Away is freeEvery time you play 5 cards in a single turn, deal 10 damage to ALL enemies.
Beacon of Hope
Power
1
Whenever you gain Block on your turn, other players gain half that much Block.
Beacon of Hope makes Block count for more, and Boost Away gains itWhenever you gain Block on your turn, other players gain half that much Block.
Entrench
Skill
2
Double your Block.
Entrench makes Block count for more, and Boost Away gains itDouble your Block.
Prolong
Skill
0
Next turn, gain Block equal to your current Block.
Exhaust.
Prolong makes Block count for more, and Boost Away gains itNext turn, gain Block equal to your current Block.
Exhaust.

Relics that synergize with Boost Away

Power Cell
Power Cell looks for 0 Energy cards, and Boost Away is oneAt the start of each combat, add 2 zero-cost cards from your Draw Pile into your Hand.
Tuning Fork
Tuning Fork counts the Skills you play, and Boost Away is a free oneEvery time you play 10 Skills, gain 7 Block.
Letter Opener
Letter Opener counts the Skills you play, and Boost Away is a free oneEvery time you play 3 Skills in a single turn, deal 5 damage to ALL enemies.
Rainbow Ring
Rainbow Ring counts the Skills you play, and Boost Away is a free oneThe first time you play an Attack, Skill, and Power each turn, gain 1 Strength and 1 Dexterity.
Razor Tooth
Razor Tooth counts the Skills you play, and Boost Away is a free oneEvery time you play an Attack or Skill, Upgrade it for the remainder of combat.
Iron Club
Iron Club rewards playing many cards, and Boost Away is freeEvery 4 cards you play, draw 1 card.
Parrying Shield
Parrying Shield makes Block count for more, and Boost Away gains itIf you end a turn with at least 10 Block, deal 6 damage to a random enemy.
Sturdy Clamp
Sturdy Clamp makes Block count for more, and Boost Away gains itUp to 10 Block persists across turns.
Pael's Legion
Pael's Legion makes Block count for more, and Boost Away gains itDoubles Block gained from a card, then goes to sleep for 2 turns.
Vambrace
Vambrace makes Block count for more, and Boost Away gains itThe first time you gain Block from a card each combat, double the amount gained.
✦
TURBO
Skill
0
Gain .
Add a Void into your Discard Pile.
Overclock
Skill
0
Draw 2 cards.
Add a Burn into your Discard Pile.
Fight Through
Skill
1
Gain 13 Block.
Add 2 Wounds into your Discard Pile.
Gunk Up
Attack
1
Deal 4 damage 3 times.
Add a Slimed into your Discard Pile.

Changes by version

  1. 12 Feb 2026ArtInternal playtest
    Added portrait art
  2. 13 Nov 2025Block7(10)6(9)Internal playtest
    Block decreased from 7 to 6 (upgraded 10 to 9)
    ChangeNeowThe DefectTURBOGunk UpInternal playtest
    Changed Neow's Bundle blessing: Defect's Evolve/Turbo/Boost Away bundle changed to Compactor/Gunk Up/Boost Away
  3. 23 Oct 2025Block8(11)7(10)Internal playtest
    Block decreased from 8 to 7 (upgraded 11 to 10)
All 6 patch notes3 older
  1. 16 Oct 2025BuffDazedInternal playtest
    No longer shuffles Dazed cards into your Draw Pile, now adds a Dazed into your Discard Pile
  2. 1 May 2025NerfInternal playtest
    Nerfed Boost Away card
  3. 25 Apr 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