> **Type:** General > **Prerequisite:** Tortle You have mastered using your shell to better protect yourself and others. You gain the following benefits: **Ability Score Increase.** Increase your STR or WIS by 1, to a maximum of 20. **Sturdy Shell.** Your natural armour trait now provides a base [[Armour Class|AC]] of 18. As normal, your DEX modifier doesn't affect this number. **Shell Cover.** As a [[Reaction]] when you are forced to make a DEX Saving Throw, choose any number of creatures within 5 feet of you. Each chosen creature is considered to have [[Cover|Half Cover]] against any harmful attacks or effects while within 5 feet of you until the start of your next turn. **(1/SR).** Once you use this ability, you can't do so again until you've finished a [[Short Rest|Short]] or [[Long Rest]].