Following info comes from Mega 34.
In this epiosde, there was a training session that involved Black and
Red fighting each other.
Here's a shot of Darkpine and Black on the ground after they landed
after Black had punched Darkpine in midair.
Black used his Lance in Booster Mode in order to fire at Darkpine and
it caused the bracelet on him to fall off and to break which broke the
spell on the kids that had spells on them.
Here's Giant Darkpine. Darkpine grew the
normal way, with Hyprus
Here's a shot of Mega Voyager and Darkpine.
Darkpine is destroyed by the Mega V3 Missile Mode.