Flying Sword

Flying Sword Small construct, Unaligned 1/4 50 xp

Armor class 17 (natural armor)
Hit points 17 (5d6)
Speed 0 ft., fly 50 ft.

STR 12 (+1)
DEX 15 (+2)
CON 11 (0)
INT 1 (-5)
WIS 5 (-3)
CHA 1 (-5)

Save Throws: Dex +4

Damage Immunities: poison, psychic

Condition Immunities: blinded, charmed, deafened, frightened, paralyzed, petrified, poisoned

Senses: blindsight 60 ft. (blind beyond this radius)

Languages: -

Challenge: 1/4 (50 xp)

Antimagic Susceptibility. The sword is incapacitated while in the area of an antimagic field. If targeted by dispel magic, the sword must succeed on a Constitution saving throw against the caster's spell save DC or fall unconscious for 1 minute.

False Appearance. While the sword remains motionless and isn't flying, it is indistinguishable from a normal sword.

Actions

Longsword. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 5 (1d8 + 1) slashing damage.

Ochre Jelly

Ochre Jelly Large ooze, Unaligned 2 450 xp

Armor class 8
Hit points 45 (6d10+12)
Speed 10 ft., climb 10 ft.

STR 15 (+2)
DEX 6 (-2)
CON 14 (+2)
INT 2 (-4)
WIS 6 (-2)
CHA 1 (-5)

Damage Resistances: acid

Damage Immunities: lightning, slashing

Condition Immunities: blinded, charmed, deafened, exhaustion, fightened, prone

Senses: blindsight 60 ft. (blind beyond this radius), passive Perception 8

Languages: -

Challenge: 2 (450 xp)

Amorphous. The jelly can move through a space as narrow as 1 inch wide without squeezing.

Spider Climb. The jelly can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Actions

Pseudopod. Melee Weapon Attack: +4 to hit, reach 5 ft, one target. Hit: 9 (2d6 + 2) bludgeoning damage plus 3 (1d6) acid damage.

Split (Reaction). When a jelly that is Medium or larger is subjected to lightning or slashing damage, it splits into two new jellies if it has at least 10 hit points, Each new jelly has hit points equal to half the original jelly's, rounded down. New jellies are one size smaller than the original jelly.

Erinyes

Erinyes Medium fiend, Lawful Evil 12 8,400 xp

Armor class 18 (plate)
Hit points 153 (18d8 + 72)
Speed 30 ft., fly 60 ft.

STR 18 (+4)
DEX 16 (+3)
CON 18 (+4)
INT 14 (+2)
WIS 14 (+2)
CHA 18 (+4)

Save Throws: Dex +7, Con +8, Wis +6, Cha +8

Damage Resistances: cold, bludgeoning, piercing and slashing from nonmagical weapons that aren't silvered

Damage Immunities: fire, poison

Condition Immunities: poisoned

Senses: truesight 120 ft., passive Perception 12

Languages: Infernal, telepathy 120 ft.

Challenge: 12 (8,400 xp)

Hellish Weapons. The erinyes's weapon attacks are magical and deal an extra 13 (3d8) poison damage on a hit (included in the attacks).

Magic Resistance. The erinyes has advantage on saving throws against spells and other magical effects.

Actions

Multiattack. The erinyes makes three attacks.

Longsword. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage, or 9 (1d10 + 4) slashing damage if used with two hands, plus 13 (3d8) poison damage.

Longbow. Ranged Weapon Attack: +7 to hit, range 150/600 ft., one target. Hit: 7 (1d8 + 3) piercing damage plus 13 (3d8) poison damage, and the target must succeed on a DC 14 Constitution saving throw or be poisoned. The poison lasts until it is removed by the lesser restoration spell or similar magic.

Parry (Reaction). The erinyes adds 4 to its AC against one melee attack that would hit it. To do so, the erinyes must see the attacker and be wielding a melee weapon.