Idler

 is a Hardmode enemy that spawns in the Underworld Domain. s wield a massive shield resembling a warthog and attack by charging towards the player.

Tips

 * Attacking the from the front ,where the shield is present, will have their damage taken significantly reduced and must be attack from other directions where the shield is not facing.
 * s have high horizontal mobility but low vertical mobility, being above the will not only avoid the heavy contact damage but also leaves you to maximum damage as the shield can not protect the  from above.