1.Reach Level 8 with the weapon to be evolved.
2.Have the Accessory that corresponds to the weapon evolution.
3.Open a chest after the timer reaches 10:00.

Evolutions

+ =
Axe + Candelabrador – Death Spiral

+ =
Cross + Clover – Heaven Sword

+ =
Fire Wand + Spinach – Hellfire

+ =
King Bible + Spellbinder – Unholy Vespers

+ =
Knife + Bracer – Thousand Edge

+ =
Magic Wand + Empty Tome – Holy Wand

+ =
Whip + Hollow Heart – Bloody Tear

+ =
Garlic + Pummarola – Soul Eater

+ =
Santa Water + Attractorb – La Borra

+ =
Lightning Ring + Duplicator – Thunder Loop

+ =
Song of Mana + Skull O’Maniac – Mannajja

+ =
Pentagram + Crown – Gorgeous Moon

+ =
Runetracer + Armor – No Future

+ =
Gatti Amari + Stone Mask = Vicious Hunger

+ =
Shadow Pinion + Wings = Valkyrie Turner

+ + =
Clock Lancet + Silver Ring + Gold Ring = Infinite Corridor

+ + =
Laurel + Metaglio Left + Metaglio Right = Crimson Shroud

Unions

+ =
Peachone + Ebony Wings – Vandalier (you can upgrade this once you get it)

+ + =
Phiera Der Tuphello + Eight The Sparrow + Tiragisú – Phieraggi

+ =
Vento Sacro + Bloody Tear = Fuwalafuwaloo