Primal Dragon, the Primordial — Ruling

Effetto 0

This card's effect that prevents your opponent from taking any battle damage from battles involving it is a Continuous Effect.
This effect cannot be activated during your Main Phase 2 or End Phase.
This card's effect that allows a monster to attack twice during the Battle Phase this turn is a Trigger Effect that activates in the Graveyard. (It targets 1 face-up monster in your Monster Zone, and can be activated during the Damage Step.)
This card's effect that increases its ATK and DEF is an Ignition Effect. (It does not target. Banishing 1 Dragon monster from your Graveyard is the cost to activate this effect.)