Bisashiggy, can be found in the safe zone. Talk to him to enchant the orb. You can slot one enchantment into the fourth slot of your weapon or armor. You can't remove the orb but you can replace it.

• bullish_spirit
• diminutive_canine
• eye_of_a_lion
• coagulated_blood
• forbidden_scroll
• orcish_hand

• hard_scale
• prophetic_hand
• mirror_shard
• elektor_feeler
• abyssal_ringmail
• sacramental_water
• sacred_nappy
• cracked_orc_helm
• wanted_poster

The only weapon and armor can be enchant.

• Zephyrus
• Swordbreaker
• Mailbreaker
• krasnaya
• Orcish Sword
• Sharpened Legbone of Ghoul
• Queen's Whip
• woven_bandages
• Kronos

• Buckler
• Shield
• Strong Shield
• Lord's Clothes
• Tights
• High Heels
• Valkyrie's Armor
• Odin's Blessing
• Wool Scarf
• Ragamuffin Manteau
• Tidal Shoes

• The NPC will only give you an option to slot if you finish certain part of Melanis Questline, to start the quest talk to Yousef.