DiIiS is a fully-functional open-source local server for Diablo III: Reaper of Souls

• Implemented account creation system, authorization and lobby.
• Fully implemented chat system.
• Fully implemented clan system.
• Opened all cosmetics in the in-game store.
• Implemented basic DRLG.
• Implemented item generator with in-game affixes.
• Implemented the basic mechanics of almost all active abilities for all classes.
• Implemented a system of set items.
• Implemented all main scripts for all story quests 5 acts.
• Implemented basic scripts and generator for "Adventure Mode".
• Created the basis for the "Challenge Nephalem Rifts" mode.
• Implemented artificial intelligence for 80% of minions.
• Implemented personal artificial intelligence for 40% of all monsters.
• Implemented personal artificial intelligence for half of the Bosses.
• Implemented LAN
• NAT support is hidden, but possible ;)

1. Install PostgreSQL 9.5.25.
2. Create databases in PostgreSQL: diiis and worlds
3. Change you account and password in database.Account.config and database.Worlds.conifg
4. Restore worlds.backup to worlds database
5. Compile by VS 2019/2022
6. Launch wait until server start, it creates a hierarchy.
7. Create account using console: !account add Login Password Tag
8. Install certificate bnetserver.p12, password - 123 (the game verifies the CA root certificates).
9. Use Client Diablo 3 2.7.3.82785.
10. Add redirects to the hosts file (%WinDir%\System32\drivers\etc\hosts): 127.0.0.1 us.actual.battle.net 127.0.0.1 eu.actual.battle.net
11. Launch client (x64 or x86) with arguments "Diablo III64.exe" -launch -uid diablo3_engb
12. Login to the game using your credentials =)

1. Create new accounts using the console command: !account add Login Password Tag
2. Copy the config.ini file to the server folder (It overwrites the default settings)
3. In the IP fields - write your IP within the network. Update the parameter entries: BindIP and PublicIP.
4. Other players must specify your IP address in the hosts file (%WinDir%\System32\drivers\etc\hosts). 192.168.1.1 us.actual.battle.net 192.168.1.1 eu.actual.battle.net
5. Launch client (x64 or x86) with arguments "Diablo III64.exe" -launch -uid diablo3_engb
6. Login to the game using your credentials
7. After that, when creating a game (in client), indicate the creation of a public game.
8. Other players, when connecting, must also indicate a public game, and at the start they will connect to you.

Using the configuration file you can easily override the global world parameters.

Minimum system requirements for server

• CPU: Xeon E5-2620V3 (2.40 GHz and 6 cores)
• RAM: 4GB
• HDD/SSD: 500MB

You can see more screenshots here