Spellcasting. The gilman is a 6th-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 12, +4 to hit with spell attacks). It has the following cleric spells prepared:   Cantrips (at will): guidance, thaumaturgy   1st level (4 slots): bless, detect magic, guiding bolt   2nd level (3 slots): hold person, spiritual weapon (trident)   3rd level (3 slots): mass healing word, tongues

Coral Weaponry. The gilman's melee weapon attacks do not gain disadvantage when submerged in water.   Limited Amphibiousness. The gilman can breathe air and water, but it needs to be submerged at least once every 4 hours to avoid suffocating.