Legendary Creatures

A legendary creature can do things that ordinary creatures can't. It can take special actions outside its turn, and it might exert magical influence for miles around.

If a creature assumes the form of a legendary creature, such as through a spell, it doesn't gain that form's legendary actions, lair actions, or regional effects.

A Legendary Creature's Lair

A legendary creature might have a section describing its lair and the special effects it can create while there, either by act of will or simply by being present. Such a section applies only to a legendary creature that spends a great deal of time in its lair.

Regional Effects

The mere presence of a legendary creature can have strange and wondrous effects on its environment, as noted in this section. Regional effects end abruptly or dissipate over time when the legendary creature dies.