Encounter at the Illuminating Pool - S1.E71

As Liko and the others reach Terasu Pool, they locate Briar, who becomes extremely excited when she sees the Terapagos Liko has with her!! When they ask Briar about Terapagos, she takes out the Scarlet Book and starts explaining to them how it concerns the adventures of her ancestor Heather in Area Zero of the Great Crater of Paldea...