Ultimate Hit Reaction System

📄 Documentation: [中文] | [English]

🎮 Playable Demo: [DEMO]

🎬 Video: [Trailer] | [Animation Preview] | [Tutorial] | [Bilibili]

💬 Community: [Discord] | [QQ: 793132509]

Update_2026/01/20: The UltimateHitreactionPlugin no longer needs to be obtained after verification on Discord; instead, it is provided as an additional file.

Update 1.4:

• Added IK-based hit reaction feedback.
• Enter the ragdoll state upon death.

Update 1.3: Fix Light_Back_Chest and Light_Front_Chest, modify the light/heavy stacking implementation in the hit reaction system, and fix the top explosion issue.

Ultimate Hit Reaction System is a powerful hit reaction framework designed for humanoid characters in Unreal Engine. It allows for rapid integration and brings high-quality, dynamic response animations to your game characters and NPCs. With a rich animation library and data-driven architecture, your combat feedback will become more vivid and responsive.

🔧 Key Features

• ⚡ Rapid Integration: Integrate within 30 minutes (basic knowledge of animation systems recommended). Setup is fully Blueprint + Chooser DataTable, no coding required.
• 🎥 Extensive Animation Library: Includes 168 motion-captured animations covering:
  • 🎯 Directions: Front / Back / Left / Right / Up / Down
  • 🔺 Strength Levels: Light / Medium / Heavy / Explosion
  • Includes partial hits, knockdowns, falls, launch reactions, combo impacts, and more.
• 🧠 Smart Animation Switching: Automatically selects appropriate animations based on hit direction and intensity—no manual setup needed.
• 🔁 Broad Compatibility: Built for humanoid characters and creatures. Compatible with diverse skeletal meshes and ideal for player characters, NPCs, and Bosses.
• 📊 Data-Driven Architecture: Behaviors are defined through Chooser Tables for easy tuning, expansion, and full multiplayer replication.
• 🧪 Physics Control(Experimental): Optional Physics Control module adds physical interaction to animations (experimental and toggleable).
• 🌀 Motion Warping Support: Fully supports UE’s Motion Warping system to dynamically adjust hit direction and landing position—making reactions like knockbacks and falls more fluid and accurate.
• 💀 Integrated Death Animations: Includes multiple death scenarios (e.g., instant collapse, knockback-to-death), seamlessly connected with the hit system for unified logic.

⚠️ This product includes the full animation set—no need to purchase additional animation packs separately.

Technical details