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What is sts2-exlagavulin?

yuzucyan-uwu/sts2-exlagavulin — explained in plain English

Analysis updated 2026-05-18

★ 53C#Audience · generalComplexity · 2/5Setup · moderate

In one sentence

EXLagavulin is a Slay the Spire 2 mod that adds a new Act 2 boss which spawns two enemies from the first game after it is defeated.

Mindmap

mindmap
  root((exlagavulin))
    What it does
      New Act 2 boss
      Spawns Lagavulin enemies
      Uses original sprites
    Tech stack
      C#
      Godot
    Use cases
      Boss variety
      Modding reference
    Audience
      Slay the Spire 2 players

Code map

Detail Auto

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filefunction / class

What do people build with it?

USE CASE 1

Add extra boss variety to Act 2 of Slay the Spire 2.

USE CASE 2

Play against a boss fight that references an enemy from the original Slay the Spire.

USE CASE 3

Study a small Godot and C# mod project as an example for modding the game.

What is it built with?

C#Godot

How does it compare?

yuzucyan-uwu/sts2-exlagavulintyrrrz/deorcifyadvdebug/brovan
Stars535351
LanguageC#C#C#
Last pushed—2026-06-13—
Maintenance—Maintained—
Setup difficultymoderateeasymoderate
Complexity2/52/55/5
Audiencegeneraldeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Animation and sound effects for the new boss are still in progress, and known bugs exist around forced re-entry to combat.

No license information is provided in the README, so usage rights are unclear.

So what is it?

EXLagavulin is a custom boss modification (mod) for the game Slay the Spire 2. It adds a new boss encounter to Act 2 of the game: a "Super Lagavulin Matriarch" enemy that, when defeated, spawns two Lagavulin enemies borrowed from Slay the Spire 1. The README is written in Chinese. The mod uses the original enemy sprites and combat mechanics from the base game, and is built with the Godot game engine and C#. Animation and sound effects for the new boss are noted as still in progress. You would use this if you are a Slay the Spire 2 player who wants additional boss variety in Act 2.

Copy-paste prompts

Prompt 1
Explain what the Super Lagavulin Matriarch boss does in this Slay the Spire 2 mod.
Prompt 2
How do I install the EXLagavulin mod for Slay the Spire 2?
Prompt 3
Walk me through the Godot and C# project structure of this boss mod.

Frequently asked questions

What is sts2-exlagavulin?

EXLagavulin is a Slay the Spire 2 mod that adds a new Act 2 boss which spawns two enemies from the first game after it is defeated.

What language is sts2-exlagavulin written in?

Mainly C#. The stack also includes C#, Godot.

What license does sts2-exlagavulin use?

No license information is provided in the README, so usage rights are unclear.

How hard is sts2-exlagavulin to set up?

Setup difficulty is rated moderate, with roughly 30min to a first successful run.

Who is sts2-exlagavulin for?

Mainly general.

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