Slay the Spire 2 deck building guide – how to build a winning deck step by step. Struggling to build strong decks in Slay the Spire 2? If your runs keep falling apart, it’s usually not your combat—it’s your deck building. In this Slay the Spire 2 guide, I break down exactly how to build a winning deck step by step. You’ll learn how to approach the early game, identify your win condition, avoid common deck building mistakes, and refine your deck so it actually scales into late game fights. Whether you're a beginner or trying to improve your winrate, this guide will help you stop building weak decks and start winning more runs. In this guide: - How to build a strong deck in Slay the Spire 2 - Early game deck building strategy (Act 1 tips) - How to identify your win condition - When to take or skip cards - How to scale into late game - How to fix weak decks If you enjoy Slay the Spire 2 content, make sure to subscribe for more guides, runs, and strategy breakdowns. 00:00 Intro 00:15 Early Game 04:52 Frontloaded Damage Cards 07:11 Damage Mitigation Cards 10:54 Win Conditions 13:32 Stop Taking Random Cards 16:42 Late Game Scaling 18:34 Scaling Cards 21:30 Refining Your Deck 24:48 Wrap Up And check out my twitch link below. I stream Monday, Tuesday, Thursday, and Friday night at 9pm EST on twitch. https://www.twitch.tv/nerdyhickey https://www.twitter.com/rhickey28 https://www.tiktok.com/@nerdyhickey #slaythespire2 #slaythespire #roguelike #deckbuilder