The term “parch water” does not appear in the context of Metaphor: ReFantazio. The game focuses on finding and using “Blessed Water,” “Graced Water,” and “Heavenly Water” for purifying equipment, but there is no mention of “parch water.”

Here are the detailed steps for finding Blessed Water and Graced Water:

### Finding Blessed Water
1. **Dungeons**: Blessed Water can be found as pickups in various dungeons, including Grand Trad Cathedral, the inside of the worm, and under Martira castle. Explore all areas to maximize your chances of finding it.
2. **Pyrite Imitec Monsters**: Steal Blessed Water from Pyrite Imitec monsters, which disguise themselves as treasure chests. You can use the Thief Archetype’s steal command to get it. Alternatively, you can defeat them and sometimes still obtain Blessed Water.

### Finding Graced Water
1. **Trove Imitec Monsters**: Graced Water can be obtained from Trove Imitec monsters, which are found in giant treasure chests in certain dungeons, such as the Abandoned Tomb. You can either steal Graced Water or get it after defeating the Trove Imitec.

### Additional Method
– **City of Malva**: If you prefer a faster method, you can buy ten of each type of water (Blessed, Graced, and Heavenly) in the city of Malva, just south of Altabury.