Beast is an advanced tessellation shader integrated into Unity's Standard shader and offering:
• Four type of tessellation:
2) Distance Based
3) Edge length
• Supporting of lightmapping and global illumination.
• Fully compatible with Unity's post processing and image effects.
• Faster shadow caster pass with controllable tessellation LOD.
• Normal/Tangent recalculation inside domain stage (tessellation shader pass). Giving better light interaction after displace effect (especially if using no bumpmap).
If you need tessellation shader - it can be only Beast.
More Info: _https://assetstore.unity.com/packages/vfx/shaders/directx-11/beast-82066