Two people are linked together, or a person is linked to an object, such that whatever happens to one also happens to the other. Killing or harming one of ...

An index of tropes about synchronization — events happening at the same time, individuals coinciding to an eerie degree in their actions, etc.

The album, Synchronicity. · The Synchronization trope, for a magical connection between objects that shares their pain / damage / physical condition.

In which two episodes of a series, usually (but not always) right next to each other in broadcast order, are shown by overlapping scenes to occur at the ...

It's a common sight gag in humorous animation that fish, insects and other swarms have an amazing ability to coordinate movement into very exact shapes.

A scene where two characters are washing up in tandem, and which includes them brushing their teeth and gargling while facing the mirror.

At nine o'clock on the day of the Dueling Tournament, all five synchronize their pocket watches so they can accurately keep track of time. This is important ...

When Ace gets the upper hand and begins to destroy Garan, every ounce of pain is shared between the two, and this extends to being set on fire, and exploding in ...

Two people are linked together, or a person is linked to an object, such that whatever happens to one also happens to the other.

It will be permanently ahead or behind you in time, and is absolutely unreachable until you use your fancy gadgets to summon it back.