From Emil Chronicle Wiki

Metal Repair Kit Crafting is a table of synthesis items that can be synthesized with the Craft Metal Repair Kit skill.

[edit] Craft Metal Repair Kit Level 1

Item	Ingredients					Cost[G]	Success Rate	Notes
	Tool	1	2	3	4
Copper Metal Repair Kit x1		Copper Hammer x1	Iron Fragment x1			0	100%	-
Silver Metal Repair Kit x1		Silver Hammer x1	Iron Lump x2			0	100%	-
Gold Metal Repair Kit x1		Gold Hammer x1	Iron Fragment x2	Iron Lump x2	Iron Bullion x2	0	100%	-

Synthesis
Item Refiner/Cook NPC	Item Refining • Chemical Preparation • Woodworking • Cooking
Construction	Advanced Metal Refining • Weapon Construction Synthesis • Armor Construction Synthesis • Tailoring • Accessory Craft • Staff Crafting Synthesis • Bow Construction • Throwing Weapon Construction • Machinery Assembly • Marionette Construction • Horticulture Craft
Repair Kits	Craft Metal Repair Kit • Garment Repair Kit Craft • Leather Repair Kit Craft • Woodwork Repair Kit Craft • Machinery Repair Kit Craft • Accessory Repair Kit Craft
Miscellaneous	Property Scroll Crafting • Juice Making • Fireworks