Here are some formulas of the furnace for Ming Dynasty.

ATK Spell 1(*6) = Group ATK Spell 1
ATK Spell 2(*6) = Group ATK Spell 2
ATK Spell 3(*6) = Group ATK Spell 3
Top ATK Spell (*6) = Top Group ATK Spell

DEF Spell 1(*6) = Group DEF Spell 1
DEF Spell 2(*6) = Group DEF Spell 2
DEF Spell 3(*6) = Group DEF Spell 3
Top DEF Spell (*6) = Top Group DEF Spell

VTL Spell 1(*6) = Group VTL Spell 1
VTL Spell 2(*6) = Group VTL Spell 2
VTL Spell 3(*6) = Group VTL Spell 3
Top VTL Spell (*6) = Top Group VTL Spell

AGL Spell 1(*6) = Group AGL Spell 1
AGL Spell 2(*6) = Group AGL Spell 2
AGL Spell 3(*6) = Group AGL Spell 3
Top AGL Spell (*6) = Top Group AGL Spell

Hit Spell 1(*6) = Group Hit Spell 1
Hit Spell 2(*6) = Group Hit Spell 2
Hit Spell 3(*6) = Group Hit Spell 3
Top Hit Spell (*6) = Top Group Hit Spell

Combo Spell 1(*6) = Group Combo Spell 1
Combo Spell 2(*6) = Group Combo Spell 2
Combo Spell 3(*6) = Group Combo Spell 3
Top Combo Spell (*6) = Top Group Combo Spell

Combo Spell 1(*6) = Group Combo Spell 1
Combo Spell 2(*6) = Group Combo Spell 2
Combo Spell 3(*6) = Group Combo Spell 3
Top Combo Spell (*6) = Top Group Combo Spell

CS Spell 1(*6) = Group CS Spell 1
CS Spell 2(*6) = Group CS Spell 2
CS Spell 3(*6) = Group CS Spell 3
Top CS Spell (*6) = Top Group CS Spell

Art of War – Scroll1 (*4) = Art of War – Scroll2
Art of War – Scroll2 (*4) = Art of War – Scroll3
Art of War – Scroll3 (*4) = Art of War – Scroll4

Art of War – Scroll1 *2 = PT Archer Hero Spell / PT Artillery Hero Spell / PT Paladin Hero Spell
/PT Cavalry Hero Spell / PT Infantry Hero Spell / PT Versatile Hero Spell

Exp Spell *2 = Exp Potion
Exp Potion *2 = Exp Spell

Resource spell +Tablet of Valor = Resource Gift Package

Collection Spell (*3) +Tablet of Valor(*2) =Warrior Spell

Sr. Archer Hero Spell(*3) + Resource Gift Package = PT Archer Hero Spell
Sr. Paladin Hero Spell(*3) + Resource Gift Package = PT Paladin Hero Spell
Sr. Cavalry Hero Spell(*3) + Resource Gift Package = PT Cavalry Hero Spell
Sr. Infantry Hero Spell(*3) + Resource Gift Package = PT Infantry Hero Spell
Sr. Artillery Hero Spell(*3) + Resource Gift Package = PT Artillery Hero Spell
Sr. Versatile Hero Spell(*3) + Resource Gift Package = PT Versatile Hero Spell

PT Archer Hero Spell(*3) + Resource Gift Package = DMD Archer Hero Spell
PT Paladin Hero Spell(*3) + Resource Gift Package = DMD Paladin Hero Spell
PT Cavalry Hero Spell(*3) + Resource Gift Package = DMD Cavalry Hero Spell
PT Infantry Hero Spell(*3) + Resource Gift Package = DMD Infantry Hero Spell
PT Artillery Hero Spell(*3) + Resource Gift Package = DMD Artillery Hero Spell
PT Versatile Hero Spell(*3) + Resource Gift Package = DMD Versatile Hero Spell

PT Hero Spell(*2) + Tablet of Valor = Art of War – Scroll1(*2)

Copper Tiger Spell(*3) + Tablet of Valor(*2) = Silver Tiger Spell
Silver Tiger Spell(*3) + Tablet of Valor(*2) = Gold Tiger Spell

Bonus spell(*6) + Tablet of Valor(*2) = Group spells

Level-100 Epic Green equipments + Tablet of Valor(*2) = Class-5 Quality Gem
Level-90 Epic Green equipments + Tablet of Valor(*2) = Class-4 Quality Gem
Level-80 Epic Green equipments + Tablet of Valor(*2) = Class-4 Quality Gem

Level-100 Epic Blue equipments + Tablet of Valor(*2) = Class-8 Quality Gem
Level-100 Superior Blue equipments + Tablet of Valor(*2) = Class-7 Quality Gem
Level-100 Good, Blue equipments + Tablet of Valor(*2) = Class-6 Quality Gem
Level-100 Standard Blue equipments + Tablet of Valor(*2) = Class-5 Quality Gem
Level-100 Poor Blue equipments + Tablet of Valor(*2) = Class-4 Quality Gem

5 low-grade Gems = 1 high-grade Gem (no Syn-Spell required)

(1) Green epic Ring (>=LV30) = Flower
(2) Flower (*10) + Tablets of Valor (*1) =9 Flowers
(3) 9 Flowers (*10) + Tablets of Valor(*1) =99 Roses
(4) 99 Roses (*10) + Tablets of Valor (*1) =999 Roses