Bad na h-Achlaise Tuscan Oak is a single malt whisky bottled at 46.0% ABV and presented with a wine-influenced oak maturation style. For a newer whisky drinker, that usually suggests a spirit where the distillery character is joined by added richness and oak-led depth from the cask.
As an "Other Cask" release, it sits outside the more familiar bourbon- or sherry-cask patterns. Expect the cask type to play a noticeable role, potentially bringing a different balance of fruit, spice, and wood compared with more standard single malt styles.