Name of the plugin you want updated : EpicWorldGenerator & EpicNetherGenerator
Spigot Link : https://www.spigotmc.org/resources/epicworldgenerator-1-8-8-1-12-2.8067/
Spigot Link: https://www.spigotmc.org/resources/epicnethergenerator-ewg-addon-1-7-10-1-12.25678/
BlackspigotMC Link...