Check this Monster Hunter World: Iceborne guide on how to unlock Impact Mantle! Know the effects of Impact Mantle and which quests you need to complete with this guide!
Impact Mantle - Effects & How To Unlock
Impact Mantle Equipment Info
Impact Mantle Effects
Adds a stun effect to most attacks or increases the stun potency of an existing stun effect.
Impact Mantle Usage Info
Impact Mantle - How To Unlock
|1||Defeat 5 threat level 1 types of Tempered monsters including Radobaan, Barroth|
|2||Talk to the smithy to unlock ★9 Optional Quest - Showdown: the Muck and the Maul|
|3||Clear the quest, then talk to the smithy again|
Impact Mantle - How To Use
Stun and Hit Hard!
The Impact Mantle adds a little stun damage to each attack, also stacking with blunt attacks such as those from the hammer or hunting horn. Make full use of the Impact Mantle by aiming for the head and attacking while the monster is stunned and down.