Sheena is one of the new characters in the Vampire Survivors DLC. She is unlockable in both the Base Game and Adventure Mode.
Get Sheena Etranzi in Operation Guns in Vampire Survivor
Like many of the other characters added to Vampire Survivor during the Operation Guns DLC, you must develop a weapon to unlock her. If you evolve the Sonic Bloom, which is Browny's weapon, you will automatically unlock Sheena. In Adventure mode, you'll need to evolve the Blade Crossbow instead to gain access to Sheena. We've explained how to get all the weapon upgrades in Operation Guns here.
To start the Sheena unlocking cascade, you must first unlock the first hero, Bill Rizer, by finding and opening the coffin in Neo Galuga. Once Bill Rizer is unlocked, you need to evolve his weapon, the Long Gun, to get Lance Bean. Lance's weapon, the Short Gun, can be upgraded to receive Ariana. Ariana's weapon, the Spread Shot, can then be upgraded to unlock Lucia. If you evolve Lucia's weapon, the CU Laser, you can unlock the level called the Hectic Highway where another coffin holds Brad can be found Later, Brad's weapon called the Firearm can be upgraded to unlock Brownie. Sonic Bloom, Browny's weapon, is the one who will get yourself a Sheena Etranzi.
Evolving the Sonic Bloom requires you to fully upgrade it to level 8. The easiest way to do this is to choose Browny as your starting character and not pick up any other weapons or items. This will mean that every time you level up, you have a high chance of being able to level up the Sonic Bloom, reducing the time it takes for you to get its full evolution, the Wave Robbery.
You won't just need to upgrade the weapon though. You will also need to get the Weapon Power item. This is a gray suitcase that you can find around the map. On Neo Galuga, I've had a lot of success getting this item from the first bridge or two east of where you start on the map.
The other new characters are all unlocked by finding objects in the world. The Probotector requires you to find 14 Barriers, Stanley Ironside requires you to find 21 RapidFires, and Newt Plissken needs you to find 28 Grenades. Simondo is unlocked by evolving Newt's weapon, and then the final character, Colonel Bahamut, is only unlocked after you defeat the Big Fuzz in Neo Galuga.
For more Vampire Survivor, check out How to unlock Lucia in Vampire Survivors Operation Guns Pro Game Guides.
