Ghostcraft

I have studied Ghostcraft with the enthusiasm of a poet, I have endeavoured to penetrate its arcana with the perseverance and zeal of a philosopher.

Source: wiktionary

Many and many a night have I been called up to see or hear the spökeri (witchcraft or ghostcraft). The peasants would recount that in an upper room they had distinctly heard the spirits throwing the tin vessels and the chairs at each other — then a violent struggle between the demons, and all would be quiet.

Source: wiktionary