All Infinity Weapons can be enchanted with the Relic Reinforcer (cmd_fild07 60, 274) for 20x Shattered Magic Stone (6905) per attempt.
The weapon must be equipped for the Relic Enforcer to enchant them.
An equipment can receive enchantment on the fourth (right most slot) and third slots. You can select one among the three enchantment types (Physical, Caster, Ranged).
Resetting enchantments costs 30x Shattered Magic Stone (6905) , and will remove all enchantments. There is a 30% chance of the equipment being destroyed when resetting enchantments.

Equipment	Enchantment Group	Physical	Caster	Ranged
Infinity Weapons	Group 1	STR+1 (4700) or STR +2	INT+1 (4710) or INT +2	DEX+1 (4720) or DEX +2
	Group 2	Fighting Spirit Lv1 (4811) ~ Fighting Spirit 8	Spell Lv1 (4815) ~ Spell 8	Expert Archer Lv1 (4832) ~ Expert Archer 8