Albeit very useful, Isma's Tear is not necessary to complete the game. Obtaining it allows access to the following:
- Shape of Unn in Greenpath
- Access to Fog Canyon through Forgotten Crossroads or Fungal Wastes
- A Grub in Isma's Grove
- Access to Queen's Gardens
- A Grub as well as a shortcut in Kingdom's Edge
It is also useful while exploring Fog Canyon and fighting Uumuu.
How to Acquire
- In the game files, this ability is referred to as "Acid Armour".
- Dung Defender refers to it as "Isma's Blessing".
Community content is available under CC-BY-SA unless otherwise noted.