You only require line of sight to the target (not line of effect) and it has

You reach out with a spectral hand that carries the chill of death.

A sphere of negative energy sucks life from the area. Creatures in the area take 9d6 necrotic damage.

An invisible sensor is created within the spell’s range. The sensor remains there for the duration, and it cannot be targeted or attacked.

Choose seeing or hearing when you cast the spell. You may use that sense through the sensor as if you were there. As an action, you may switch which sense you are using through the sensor.

You create a sphere of poisonous, sickly green fog, which can spread around corners but not change shape.

A blast of dazzling multicolored light flashes from your hand to blind your targets until the start of your next turn.

You gain a +10 bonus on Insight checks made to understand the meaning of any spoken language that you hear, or any written language that you can touch. Typically interpreting an unknown language is a DC 20 check, but the Narrator may use DC 15 for a language closely related to one you know, DC 25 for a language that is particularly unfamiliar or ancient, or DC 30 for a lost or dead language. This spell doesn’t uncover secret messages or decode cyphers, and it does not assist in uncovering lies.

Frigid cold blasts from your hands. Each creature in the area takes 8d8 cold damage. Creatures killed by this spell become frozen statues until they thaw.

You assault the minds of your targets, filling them with delusions and making them

A corpse explodes in a poisonous cloud.