Ring Synthesis

[spoilerspree]

ring in bold = required for job

Delta to Gamma
Power + Guard = Berserk
Power + Intel = Weapon
Power + Speed = Toughness
Guard + Intel = Luck
Guard + Speed = Armor
Intel + Speed = EXP

Gamma to Beta
Berserk + Weapon = Double. (chance normal attack twice)
Berserk + Toughness = Boost. (damage x2, spd down 50%)
Berserk + Luck = Spiria. (HP and MP up 5%)
Berserk + Armor = Guardian. (chance reduce damage taken by 50%)
Berserk + EXP = Magic. (str down 50%, vit 30% down, int 30% up)
Weapon + Toughness = Wing. (spd 40% up, vit 30% down)
Weapon + Luck = Thief. (steal rate up)
Weapon + Armor = SP. (sp gain 20% up)
Weapon + EXP = Aegis. (abnormal status resist up)
Toughness + Luck = Gold. (gold gain up 5%)
Toughness + Armor = Cooperation. (chance to chain normal attack)
Toughness + EXP = Counter. (chance to counter normal attack)
Luck + Armor = Dark. (cast dark flame spell at start of battle)
Luck + EXP = Twofold. (chance to act again)
Armor + EXP = Magus. (chance to cast without mp cost)

Beta to Alpha
Double + Twofold = Turn+. (str and int 5%. chance to act again)
Boost + Guardian = Vigor. (prevent spirit fatique)
Spiria + Magus = MP+. (mp cost down 30%)
Magic + Aegis = Aegis+. (prevent abnormal status)
Wing + Cooperation = Backup. (spirit always attack every turn)

NPC Synthesis
https://www.rpginsanity.com/forum/asdiv ... -spoilers/

Torzel city north east building
Wing + 12 Spirit gem = X-exp (everyone xp gain +5%)
Torzel castle next to king room
Counter + 3 SG = Timepiece (chance to stop time)
Adiva city beside house to passage
Thief + 8 SG = Mugger (always steal when normal attack)
Nondia dock north
Dark + 5 SG = Shinobi (just buy in guild coin shop)
Creshalo Basement
SP + 10 SG = X-sp (everyone sp gain +5%)
Forgotten town weapon shop basement
Magic + 5 SG = Charm (chance to nullify damage taken)

Tl;dr
this become just documentation because ring from synthesis sucks.
the reason
guilty ring allstat +80% from guild coin shop just too good even with countdown 5 penalty. you can kill arena curie at easy difficulty with few asdivine from non seeded lv 999 wearing 2 guilty ring. from there you can snowball your stat if you want to kill harder difficulty arena curie.