I Got ONE Chaos Elemental To Spawn In My Rod Farm. Its A Start

i changed my souls farm into a rod farm IS ALSO WORKS AGAINST MIMICS TOO put in the effort to go into the dungeon and hunt for dart traps anyways wanna get rod of discord for plantera just for the sake of making the battle easier ONE SPAWNED. JUST ONE. I WAITED HALF AN HOUR AND ONLY ONE SPAWNED MY THUMB HURTS FROM MOVING MY CHARACTER UP AND DOWN yes i am aware of the new 1.4 restrictions for chaos elemental spawns random terraria