# One with Shadows *Source: Player's Handbook (2024) p. 156. Available in the <span title='Systems Reference Document (5.2)'>SRD</span>* **Prerequisite**: Level 5 While you're in an area of [Dim Light](Mechanics/CLI/rules/variant-rules/dim-light-xphb.md) or [Darkness](Mechanics/CLI/rules/variant-rules/darkness-xphb.md), you can cast [Invisibility](Mechanics/CLI/spells/invisibility-xphb.md) on yourself without expending a spell slot.