Tentacle

You magically summon a cluster of tentacles at an unoccupied space you can see within range, which can be in the air as they sprout out from an other worldly rift. They occupy a 5-foot cube where they appear, causing it to become difficult terrain. These tentacles are invulnerable, and they last until the end of the spell, or until you dismiss them with a bonus action. The tentacles are friendly towards you, and they always obey your commands. You can use these tentacles in one of the following ways when you cast this spell, and as an action on subsequent turns for the duration:

• You can ask the tentacles to manipulate an object within 5 feet of it, though it is incapable of performing intricate works such as picking a lock.

• You can ask the tentacles to interact with a creature within 5 feet of it, such as hand shakes, head pats, or other simple actions that typical tentacles are capable of. 

• You can ask the tentacles to from into simple shapes, such as letters.

• You change the tentacles' color. The entire cluster must be changed in the same way throughout.

• You can ask the tentacles to open up like a flower, forming a flat platform. You can then use it as a comfortable place for resting, given its softness and warm temperature. It can form into general shapes you desire, as well as stretching a bit in case the space is too small. Though it does not give you any additional benefit for resting. The tentacles are strong enough to hold you. 

These tentacles can't attack, activate magic items, or otherwise directly or indirectly deal damage in any ways. If you cast this spell multiple times, you can have no more than two clusters of tentacles active at a time. If you use cast this spell and already have two clusters of tentacles, the first one immediately pull back into the rift and vanishes.