Thanks for the crash report -- it's helpful to get since I can't test all combinations of mods myself. From that, it looks like Infinite Spire might be the incompatible mod -- you can try disabling that and seeing if the Elementarium works. If it turns out to be more complex than just disabling that one mod, let me know the full list of mods you're running so that I can reproduce and debug this.

I'll see if I can fix this and the other mod incompatibility reports I've gotten as part of the next update I make -- people have also reported issues with Challenge the Spire.

You're welcome!, it's actually nice of you that your making your mod compatible with other mods as not all mod creators care for compatibility.

So just to test things, I ran the game with Elementarium with the required API mods along with Infinite Spire and it really does appears to be the cause of the crash.

On the bright side, it works fine with the other 42 mods I'm using so as for compatibility, your mod is super compatible!

@Saturn 42 out of 43 ain't bad :).

@squeeny Thanks, that's super helpful. I'll incorporate that fix into the next version I upload so this crash doesn't happen anymore.

YES! excited to try it!

Should be fixed in the most recent version.

It works :)

the 2.2 update has broke the mod a little:( everything works fine except the game over screen.

11:50:29.525 INFO saveAndContinue.SaveAndContinue> DELETING saves\IRONCLAD.autosave SAVE
11:50:29.526 INFO basemod.BaseMod> Class has no more unlocks.
Managing unlocks
Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: java.lang.IllegalAccessError: tried to access field com.megacrit.cardcrawl.screens.GameOverScreen.stats from class elementarium.patches.CreateGameOverStatsPatch$DeathScreenPatch
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:133)
Caused by: java.lang.IllegalAccessError: tried to access field com.megacrit.cardcrawl.screens.GameOverScreen.stats from class elementarium.patches.CreateGameOverStatsPatch$DeathScreenPatch
at elementarium.patches.CreateGameOverStatsPatch$DeathScreenPatch.DeathScreenPatch(CreateGameOverStatsPatch.java:51)
at com.megacrit.cardcrawl.screens.DeathScreen.createGameOverStats(DeathScreen.java:413)
at com.megacrit.cardcrawl.screens.DeathScreen.<init>(DeathScreen.java:213)
at com.megacrit.cardcrawl.characters.AbstractPlayer.damage(AbstractPlayer.java:1875)
at com.megacrit.cardcrawl.characters.Ironclad.damage(Ironclad.java:317)
at com.megacrit.cardcrawl.actions.common.DamageAction.update(DamageAction.java:91)
at com.megacrit.cardcrawl.actions.GameActionManager.update(GameActionManager.java:179)
at com.megacrit.cardcrawl.rooms.AbstractRoom.update(AbstractRoom.java:325)
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.update(AbstractDungeon.java:2532)
at com.megacrit.cardcrawl.core.CardCrawlGame.update(CardCrawlGame.java:871)
at com.megacrit.cardcrawl.core.CardCrawlGame.render(CardCrawlGame.java:419)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:225)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)
[sentry-pool-1-thread-2] WARN io.sentry.connection.AbstractConnection.lockdown - Initiated a temporary lockdown because of exception: An exception occurred while submitting the event to the Sentry server.
[sentry-pool-1-thread-3] ERROR io.sentry.connection.AsyncConnection - An exception occurred while sending the event to Sentry.
[sentry-pool-1-thread-2] ERROR io.sentry.connection.AsyncConnection - An exception occurred while sending the event to Sentry.
io.sentry.connection.ConnectionException: An exception occurred while submitting the event to the Sentry server.
at io.sentry.connection.HttpConnection.doSend(HttpConnection.java:216)
at io.sentry.connection.AbstractConnection.send(AbstractConnection.java:75)
at io.sentry.connection.AsyncConnection$EventSubmitter.run(AsyncConnection.java:185)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: connect timed out
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1032)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:153)
at io.sentry.connection.HttpConnection.doSend(HttpConnection.java:168)
... 5 more
io.sentry.connection.ConnectionException: An exception occurred while submitting the event to the Sentry server.
at io.sentry.connection.HttpConnection.doSend(HttpConnection.java:216)
at io.sentry.connection.AbstractConnection.send(AbstractConnection.java:75)
at io.sentry.connection.AsyncConnection$EventSubmitter.run(AsyncConnection.java:185)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketTimeoutException: connect timed out
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1138)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1032)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:153)
at io.sentry.connection.HttpConnection.doSend(HttpConnection.java:168)
... 5 more

Thanks for reporting! You're completely right that Slay the Spire 2.2 caused this, and I've released an update that should fix the crash on the game over screen.