No third-party solution without 1 plugin of Unreal which is free to use... ✓
Login System ✓
Player Creation and Selection ✓
Teleport System ✓
Shopping ✓
Advanced Item System (%50)
Advanced Spell System (%75)
Advanced Effect System ✓
Advanced Character System ✓
Inventory, Equipment and Looting System ✓
NPC and Mob System(✓) with AIs
Combat Logs ✓
Chat System
UMG User Interface ✓
Simple Localization (Developed by Me) ✓
Working with MYSQL Database ✓
Everything is controlling by Server ✓