In PvPPower Clock passively affects your opponent's units, reducing their attack speed according to the sum of their fusion ranks. This effect ignores shields and does not remove them.

In co-opthe Clock affects your partner's unitsbut increases their attack speed instead. In single-player modes, the Clock affects your unitswhile increasing their attack speed.

After fusion, the Clock significantly reduces (in JCJ) or increases (in other modes) the attack speed of several units.