Starkiller’s ISD and Salvation vs Kyp durron’s dovin basal?

The Complete Star Wars Encyclopedia wrote:In a tactic called Yo’Gand’s core, a dovin basal could pull a moon onto a planet.
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During a Yo’Gand’s Core maneuver, a strong dovin basal was dropped to the surface of a planet, where it latched onto the planet’s core and simultaneously grabbed an orbitting moon with it’s gravitic beam.

The New Essential Chronology wrote:Using a tactic they called “Yo’Gand’s Core“, the Yuuzhan Vong used a gravity-altering Dovin Basal creature to pull the planet’s moon Dobido down to a shattering collision.