Plugin name: EpicSpawners - The Ultimate Spawner Plugin
Spigot link: https://www.spigotmc.org/resources/epicspawners-the-ultimate-spawner-plugin.32430/
Version: 5.3.5.19 - Legacy
Spigot link: https://www.spigotmc.org/resources/epicspawners-the-ultimate-spawner-plugin.32430/
Version: 5.3.5.19 - Legacy