Command to Spawn Tamed: Cheat GMSummon "Wyvern_Character_BP_Poison_C" 150
Add to Spawners (Game.ini): ConfigAddNPCSpawnEntriesContainer=(NPCSpawnEntriesContainerClassString="DinoSpawnEntriesBeach_C",NPCSpawnEntries=((AnEntryName="Wyvern_Poison",EntryWeight=0.1,NPCsToSpawn=("/Equestria/Wyvern_Character_BP_Poison.Wyvern_Character_BP_Poison_C"))),NPCSpawnLimits=((NPCClass="/Equestria/Wyvern_Character_BP_Poison.Wyvern_Character_BP_Poison_C",MaxPercentageOfDesiredNumToAllow=0.1)))