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flying dagger swarm

This adventure, Five Deadly Shadows, is from Dungeon #195.  A 4e adventure which I converted to 5e.  I used this to show the players two things – the larger spiritual battle happening between Amaterasu and Tsuki-Yomi vs the oni god Fumeiyoshi.  As well as the cultural difference between East and West in particular for a Japanese-analogue culture.

Apart from emphasising these powers through the adventure and making it explicit that the Five Deadly Shadows worshiped Fumeiyoshi I played the adventure as written.

Part of the Hiro Yun fight.

Flying Dagger Swarm

Medium swarm of Tiny constructs (spirit), unaligned

Armor Class 10

Hit Points 44 (8d8 + 8)

Speed 0 ft., fly 40 ft.







9 (-1) 18 (+4) 12 (+1) 3 (-4) 10 (+0) 3 (-4)

Damage Resistances Bludgeoning, Piercing, Slashing

Condition Immunities CharmedFrightenedGrappledParalyzedPetrifiedProneRestrainedStunned

Senses Darkvision 120 ft., passive Perception 10

Languages —

Challenge 3 (700 XP)

Swarm 2.0. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny construct. The swarm can’t regain hit points or gain temporary hit points. A swarm takes half damage from attacks that use an attack roll and double damage from effects that require it to make a saving roll. Creatures that are not swarms are impaired while they remain in the swarm’s space or within 5 feet of it and have disadvantage on attack rolls and Constitution saving throws to maintain concentration. The area of the swarm is considered difficult terrain.


Swarm of Daggers. The swarm attacks all creatures that share a space with it and automatically do 14 (4d6) piercing damage, or 7 (2d6) piercing damage if the swarm has half of its hit points or fewer. The target also takes 1 necrotic damage at the start of its turn until it makes a DC 15 Constitution saving throw. This necrotic damage is accumulative and persists even after leaving the swarms space.


Thirsting Flight. When an enemy in the swarm moves away from it the swarm may use its reaction to move up to its speed to the triggering enemies space (or as a close as possible). This movement does not provoke attacks of opportunity.

Posted in 5e, Dungeons & Dragons, Five Deadly Shadows, Monstrous Compendium, Oriental Adventures, The Divine Heir and the Jade Regent

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