treasure worth at least 500 gp, which is not consumed in casting
Source: Deep Magic for 5th Edition
You set up a magical boundary around your lair. The boundary can’t exceed the dimensions of a 100-foot cube, but within that maximum, you can shape it as you like—to follow the walls of a building or cave, for example. While the spell lasts, you instantly become aware of any Tiny or larger creature that enters the enclosed area. You know the creature’s type but nothing else about it. You are also aware when creatures leave the area.
This awareness is enough to wake you from sleep, and you receive the knowledge as long as you’re on the same plane of existence as your lair.
When you cast this spell using a spell slot of 3rd level or higher, add 50 feet to the maximum dimensions of the cube and add 12 hours to the spell’s duration for each slot level above 2nd.
About Lair Sense
Lair Sense is a Level 2 level spell from the school of Divination.
This spell has a casting time of 1minute , and a range of 120.0 ft (36.6 m) . It has a duration of Instantaneous.
Spell Details
Complete details
Spell Details
Complete details about this spell:
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At Higher Levels: When you cast this spell using a spell slot of 3rd level or higher, add 50 feet to the maximum dimensions of the cube and add 12 hours to the spell’s duration for each slot level above 2nd.
Casting Tips
2 tips
Casting Tips
Consider these tips when casting this spell:
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Tactical Use: Ideal for low-level encounters and utility situations. Consider environmental interactions for creative problem-solving.
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Ritual Casting: Can be cast as a ritual without using a spell slot. Takes 10 minutes longer.
School of Magic: Divination
Learn more
School of Magic: Divination
Divination spells reveal hidden information, predict the future, or detect truths.
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