Figures from this source
- EstimateGX Battle Boost (SM4+) SR slot 115-120 sale price (¥), Yuyu-tei SM4+ page, fetched 1 November 2026 (undated, retail sale prices)
- EstimateGX Battle Boost HR/UR creature slots sale price (¥), Yuyu-tei SM4+ page, fetched 1 November 2026 (undated, retail sale prices)
- EstimateGX Battle Boost: Lillie SR rank on the page, Yuyu-tei SM4+ page, fetched 1 November 2026 (undated, retail sale prices)