MCP-Reborn is an MCP (Mod Coder Pack) for Minecraft for making modded clients and researching its code. (1.13-26.3)
A simple mod for minecraft that makes any pet or animal that has been tamed immortal by mimicking what the player's creative mode does. It applies to any vanilla and modded pets as long as they were coded to be tamable and or use tamable animal as hierarchy parent.