Limited-time Events

Normal limited-time events
For the normal daily battles, there may be events of higher chance of cards or coins dropping and stamina reducing. There's no fixed timetable for these events.
 * Daily battle events

For more details, please see Daily battle events.

A new stage which lasts for a wekk is opened every Monday. Such kind of stages are unlikely to sppear again, so you must not miss the battles!
 * Weekly stages events

Every week there's a diamond seal (seal cards drawing) event. Each week's event has a different theme which is of a higher chance to get monsters of different race.
 * Weekly drawing event

This is an event which opens for only a few hours.
 * Instant battle event

Large-scale limited-time events
All players can take part in these large-scale limited-time events. Here's some known events: