DaemonUmbra

Choose a better mod id and update to a modern version as well...

Give it more RAM

Looks like you'll need to manually specify the path to the Java 8 binary, idk enough about Mac to know why the terminal is using a different version than the OS GUI

Run the command java -version

Where are you getting your mods?

Take a look at the Events Documentation and look at using this event.

Not just "outdated", they are for an ancient version of Minecraft...

Can you show me the whole list, not cropped?

Is there anywhere in that panel that shows all installed versions?

You have a very old coremod installed, remove it.

1.4.6 is no longer supported on this forum due to its age. Please update to a modern version of Minecraft to receive support.

Does it crash without Optifine?

Are you trying to add JEI integration to your mod or just run with it?

How did you add JEI to your dev environment?

1.8 is no longer supported on this forum due to its age. Please update to a modern version of Minecraft to receive support.

Blood Magic needs Forge build 2779 or later (the blood magic repository indicates 2808 is the version they are developing in), they're using code that was added in that version and have not indicated as such in their dependencies string, so Forge doesn't catch it.

Stop bumping. Do you have any mods installed or is this just Forge? Edit: Merged your threads too

NoClassDefFoundError is common when mods screw up with hard references, but to have this happen with java/lang/Object. That should not be possible unless something is wrong with your Java install.

https://minecraft.gamepedia.com/Minecraft_launcher#Profiles

if you haven't set it manually it'll be giving Minecraft the default 1 gig, this is done via the java arguments in the launcher.

How much ram are you allocating to Minecraft?

How long have you allowed the game to remain "frozen" before killing it?

Please read the EAQ or the "Logs" section of my signature and post your debug.log in the preferred manner.

I can't believe I'm about to say this, but try using this ancient version of JDK 8, apparently gen 1 and 2 Intel chips have an issue with Java versions newer than this. I would recommend putting "get a new PC" on your to do list.

What are your computer specs(CPU, RAM, GPU)?