Flare Snare
Using bioluminescent matter or alchemical reagents, you rig a short-lived flare to a trip wire or pressure plate. When a Small or larger creature enters the square, this flare shoots into the sky. To creatures with a clear view of the sky, this flare is visible from up to 2 miles away on a clear day or up to 5 miles away on a clear night.
Traits
An item with this trait can be used only once. Unless stated otherwise, it's destroyed after activation. Consumable items include alchemical items and magical consumables such as scrolls and talismans. When a character creates consumable items, they can make them in batches of four.
A hazard with this trait is a constructed physical object.
Traps typically made by rangers, snares follow special rules that allow them to be constructed quickly and used on the battlefield.
A hazard or item with this trait is constructed to hinder interlopers.
A visual effect can affect only creatures that can see it. This applies only to visible parts of the effect, as determined by the GM.