 Christofer Johnsson of Therion cites Celtic Frost's 1987 album "Into the Pandemonium" in particular for playing a key role in the development of the "gothic and symphonic wave of bands" in the 1990s, noting further that neither his group Therion nor Paradise Lost "would have sounded the way we did without Celtic Frost".Gothic rock had emerged as an offshoot of post-punk in the 1980s but by the end of that decade, the genre had splintered into different directions with bands such as The Cure, The Mission and Siouxsie and the Banshees incorporating "more pop and alternative elements" while The Sisters of Mercy, Fields of the Nephilim and Christian Death took on a "heavier, sometimes metal-influenced approach".The Sisters of Mercy was one of the leading goth bands of the 1980s, playing "a slow, gloomy, ponderous hybrid of metal and psychedelia, often incorporating dance beats".