This is how Opening: King Solar Flare gets help and the Knights win the battle goes in My Little Pony Transformers: The Last Knight.
[We see a battle going on between Changelings, teamed up with Minotaurs, against the Equinelantians]
[We see some Equinelantians firing off catapults at the enemy]
[We then see King Solar Flare and his men watching the battle]
Discord: We won't be able to win this one.
King Solar Flare: Starswirl will come.
Young King Sombra: I agree.
[We see Starswirl running through the forest]
[He stops for a moment to drink his water]