Sorry for asking but how do you manage to play 4 Custom characters?
It's a trick I picked up from someone on Steam.
1. Start the game and get to the start screen. I recommend lowering graphics settings and using Windowed until you're finished.
2. Start a Multiplayer. Select Create. Choose LAN and check the Direct Connect box. Copy the Direct Connect code.
3. Pin the Larian Launcher to you task bar. Close out the Larian launcher.
4. Reopen the Larian Launcher and Start a second session of BG3.
5. At start, select multiplayer and choose Direct Connect. Paste the code.
6. Do this again for as many custom characters as you want up to 4.
7. Once you finish character creation and reach the first stage, save the game under the host profile, the original one you started with. After saving, the session is now ready for single player.
8. Close all windows but the host.
9. Reset graphics and Fullscreen.
Warning! Party of 4 is Max, so if you have 4 custom characters you can NEVER take any origin characters with in your party. All companion side quests like Lae'zel interrogating Zorru are unable to be completed.
But there are other fun things about it.