In Code Vein 2 you will find a handful of Hot Springs and they more then just bath places. At each location you will get two vaccine recipes and entering each Hot Spring gets you closer to the Master Bather achievement.
Hot Springs are in different regions on the map so it is a bit of a grind to track them all down. If you want to get the trophy and all 12 vaccine recipes then visit the 6 Hot Spring locations in Code Vein 2.
MagMell Hot Spring
Rewards: Stall Vaccine Recipe, Stone Vaccine Recipe.
The first Hot Spring is easy to find inside the Magmell base. Enter the left hallway after going down the stairs and left and reach the area you see in the image above.
Island Overlook Hot Spring
Rewards: Sunblight Vaccine Recipe, Stun Vaccine Recipe.
The second Hot Spring is in the Sunken City, near the water bed south of West Coast Pier Mistle point on the map.
City Overlook Hot Spring
Rewards: Eclipse Vaccine Recipe, Snare Vaccine Recipe.
Also in Sunken City, south of the Plateau Overlooking City Mistle. Reaching this one requires going through the Cliffside Ruins dungeon.
Valley Overlook Hot Spring
Rewards: Dissonance Vaccine Recipe, Acid Vaccine Recipe.
This Hot Spring is in the Corroded Scar region of the map in Code Vein 2. Follow the road from the Western Plateau Military Camp Mistle and enter the large metal building on the left to find a hot spring inside.
Sanatorium Baths Hot Spring
Rewards: Slow Vaccine Recipe, Toxic Venom Vaccine Recipe.
Inside the Sanatorium there are the Hot Springs. You can enter any of them to get the rewards and complete the trophy.
Sanatorium Baths Hot Spring 1
Located in the Undead Forest. From the Sanatorium Mistle, enter the courtyard and go through the left gate, the spring is in the first building on the left.
Sanatorium Baths Hot Spring 2
Also in the Undead Forest. Exit the previous spring’s building, turn left, and you’ll see it next to a wooden platform.
Sanatorium Baths Hot Spring 3
Keep moving south uphill from the second one, this hot spring is directly ahead as you climb.
Cave Hot Spring
Rewards: Inhibit Vaccine Recipe, Fatal Leak Vaccine Recipe.
There is a hot spring all the way to the bottom of the Cave in Undead Forest, Gorge Cave.
