Short for スピリチュアル系.

being a follower of New Age spirituality

(slang, derogatory) A vague, derogatory label applied to stories that have overdone, clichéd elements. Usually an isekai story with elements like those described at 異世界#Usage notes.

鮮烈: vividness / 閃烈: sparkless / 戦列: line of battle

世界大戦: World War

戦闘機: a fighter plane

舟形, 船形: boat-shaped / 線形, 線型: (mathematics) being linear; straight alignment / 戦型, 戦形: combat style, playing style / 船型: design of a ship / 扇形: fan-shaped / 線径: wire diameter

仙一: a male given name

千本: Long metal needles used in acupuncture or as throwing weapons.

占卜: divination, fortune-telling / 選木: selecting wood or lumber