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Last Update: 14.03.2022 - v0.3.1c - EA
New:
Song of Mana + 
Skull O’Maniac = 
Mannajja
Pentagram + 
Crown = 
Gorgeous Moon
Whip + 
Hollow Heart = 
Bloody Tear
Magic Wand + 
Empty Tome = 
Holy Wand
Knife + 
Bracer = 
Thousand Edge
Axe + 
Candelabra = 
Death Spiral
Cross + 
Clover = 
Heaven Sword
King Bible + 
Spellbinder = 
Unholy Vespers
Fire Wand + 
Spinach = 
Hellfire
Garlic + 
Pummarola = 
Soul Eater
Santa Water + 
Attractorb = 
La Borra
Lightning Ring + 
Duplicator = 
Thunder Loop
Peachone + 
Ebony Wings = 
Vandalier
Source1: https://gamerjournalist.com/vampires-survivors-weapons-and-combinations/
Source2: https://www.mejoress.com/en/how-to-evolve-song-of-mana-in-vampire-survivors/
Source3: https://primagames.com/tips/vampire-survivors-new-achievements-guide-version-0-3-0-march-2022