Stage Up (A5E) – ENterplanetary DimENsions: Ostending Ostium | EN World | Dungeons & Dragons

There’s a legend of a vault containing wealth of such abundance that even the gods envy it, a trove of treasure crammed with splendors past imagining envied throughout the multiverse. To guard this inconceivable hoard its proprietor—unknown to all and now lengthy gone—created a novel labyrinthine dungeon that grew bigger with each thoughts that entered it. The primary servant to strive turned misplaced, after which the following, and with every that strayed inside by no means to return the maze turned ever bigger and extra complicated. Finally its creator too turned misplaced inside, dying like so many others. That is how the dimension of Ostium started and the way it continues to this present day, passages morphing into and round others into a posh of tunnels that span the entire realm.

Virtually all of this airplane’s inhabitants are lifeless or almost feral. Anybody present in Ostium is wandering its limitless tunnels both scrounging and scavenging to outlive, taking with pressure what they’ll and in search of escape, prowling for a recent meal, exploring even after loss of life, or engaged in a large recreation of intrigue for a prize of inestimable wealth. Irrespective of from the place they got here or why they’re there, few who discover their methods to this dimension stay lengthy sufficient to flee—although those that do convey with them treasure sufficient to attract in future victims.

Planar Traits. Ostium has the next planar traits and the Narrator ought to make use of the acid, brown mildew, darkness, dense smoke, hearth, frigid water, inexperienced slime, lava, magnetized ore, reminiscence crystals, webs, and yellow mildew encounter parts. When it’s potential to take action, noticing certainly one of these encounter parts earlier than it’s too near keep away from requires a DC 16 Engineering examine.

Cadaverous Courtroom​

The masters of Ostium are the Courtroom of Spades, its royalty (the jack, queen, and king) lording over numerous knights of the spade unfold over a realm that extends to the airplane’s furthest reaches. Although they now not stay these undead nonetheless have objective, toiling away to reconstruct the limitless dungeon to match the imaginative and prescient of their immortal rulers. No matter magic the Courtroom of Spades holds nevertheless, it isn’t involiate for they’re an extension of the dimension, their legacy and the way lengthy they’ve endured right here all that retains them of their positions of energy.

When a spade is destroyed these extra just lately reworked improve in data and energy, their understanding of Ostium turning into all of the larger—a number of occasions a jack has been killed and the knight of the spade beneath elevated, and myths unfold amongst this place’s inhabitants declare the king is the final corporeal survivor from the world that when was. Spades ruthlessly vie to rise within the hierarchy, manipulating visiting adventurers into killing rivals in alternate for secreted treasures (and people with probably the most to achieve typically have probably the most to supply).

Excellent Spade. The final little bit of a slain knight of the spade’s essence turns into trapped in its shovel: a knight’s spade.

Knight’s Spade​

Weapon, uncommon (requires attunement; value 850 gp)
Crafting Parts: Soul of an undead from Ostium
This shovel is a martial melee weapon that offers 1d6 magical slashing injury plus 1d4 necrotic injury.

While you’re attuned to and wielding the shovel, you’ll be able to use the Rework Space function.

Rework Space. You need to use a bonus motion to reshape a 5-foot dice adjoining to your self, altering the world’s elevation or creating and eliminating holes, partitions, and pillars. Adjustments that end in unstable terrain are topic to break down. Any Giant-sized or smaller creature within the space makes a Dexterity saving throw with benefit (in opposition to your fight maneuver or spell save DC) or it falls susceptible in a sq. chosen by you that’s adjoining to the world. If the chosen sq. is occupied by a creature of Medium dimension or smaller, it makes a Dexterity saving throw or additionally falls susceptible.

Upon getting used this function quite a few occasions equal to half your proficiency bonus, you can’t accomplish that once more till you end a protracted relaxation. Whereas on the airplane of Ostium, you should use this function quite a few occasions equal to your proficiency bonus, regaining expended makes use of whenever you end a brief or lengthy relaxation.

Knight of the Spade Problem 5​

Medium undead 1,800 XP
AC 15 (pure armor)
HP 82 (11d8+33; bloodied 41)
Velocity 30 ft. (50 ft. mounted)

Proficiency +3; Maneuver DC 14
Saving Throws Str +7, Int +4
Expertise Deception +3 (+1d4), Engineering +4, Perception +5, Notion +5 (+1d6)
Injury Resistances chilly, necrotic, psychic; injury from nonmagical weapons
Injury Immunities poison
Situation Immunities charmed, fatigue, frightened, paralyzed, poisoned, shocked, strife
Senses darkvision 120 ft., passive Notion 18
Languages Frequent

Glamered. Till it takes injury or is infuriated by a profitable Intimidation examine opposed by its Perception examine, the knight and its mount look like a traditional humanoid knight and warhorse.

Magic Resistance. The knight has benefit on saving throws in opposition to spells and different magical results.

Mounted. The knight rides a skeletal warhorse.

Undead Nature. The knight doesn’t require air, sustenance, or sleep.

ACTIONS
Multiattack. The knight assaults thrice.

Spade. Melee Weapon Assault: +6 to hit, attain 5 ft., one goal. Hit: 6 (1d6+3) slashing injury plus 3 (1d6) necrotic injury.

Spade Slash. Ranged Spell Assault: +5 to hit, vary 30/90 ft., one goal. Hit: 9 (2d6+2) necrotic injury.

BONUS ACTIONS
Spade Magic (Recharge 4–6). The knight reshapes a 5-foot dice adjoining to it, altering the world’s elevation or creating and eliminating holes, partitions, and pillars. Adjustments that end in unstable terrain are topic to break down. Any Giant-sized or smaller creature within the space makes a DC 14 Dexterity saving throw or falls susceptible in a sq. chosen by the knight that’s adjoining to the world. If the chosen sq. is occupied by a creature of Medium dimension or smaller, it makes a DC 14 Dexterity saving throw or additionally falls susceptible.

Unforgiving Hilt. When the knight hits a creature twice on the identical flip with its spade, it makes use of the Shove fundamental maneuver in opposition to the creature.

REACTIONS
Dig In. The knight assaults a susceptible creature with its spade.

Noble of the Spade Problem 15​

Legendary Medium undead 13,000 XP
AC 17 (pure armor)
HP 247 (26d8+130; bloodied 123)
Velocity 40 ft.

Proficiency +5; Maneuver DC 17
Saving Throws Str +9, Int +8
Expertise Deception +7 (+1d6), Engineering +8 (+1d4), Historical past +8, Perception +9 (+1d6), Notion +9 (+1d8)
Injury Resistances chilly, pressure, necrotic, psychic; injury from nonmagical weapons
Injury Immunities poison
Situation Immunities charmed, fatigue, frightened, paralyzed, poisoned, shocked, strife
Senses darkvision 120 ft., passive Notion 23
Languages Frequent

Glamered. Till it takes injury or it’s infuriated by a profitable Intimidation examine opposed by its Perception, the noble seems to be a traditional humanoid.

Innate Spellcasting. The noble’s spellcasting potential is Knowledge (spell save DC 17, +9 to hit with spell assaults). It may possibly innately forged the next spells, requiring no materials parts:

At will: command, detect magic, minor phantasm, misty step, transfer earth​

3/day every: create meals and water, detect ideas, magic missile, main picture, mirror picture, non secular weapon​

1/day every: arcane sword, wall of pressure​

Legendary Resistance (3/Day). When the noble fails a saving throw, it will possibly select to succeed as a substitute.

Magic Resistance. The noble has benefit on saving throws in opposition to spells and different magical results.

Ostium Grasp. When the noble casts command it is ready to goal undead with the spell, and when it casts transfer earth it will possibly have an effect on any constructing materials comparable to metallic, stone, and wooden.

Royal Annoyance. After a creature has succeeded on a saving throw in opposition to a command from the noble, it has benefit on saving throws in opposition to the noble’s command spells.

Undead Nature. The noble doesn’t require air, sustenance, or sleep.

ACTIONS
Multiattack. The noble assaults 4 occasions.

Royal Halberd (Jack Solely). Melee Weapon Assault: +9 to hit, attain 10 ft., one goal. Hit: 9 (1d10+4) magical piercing or slashing injury plus 4 (1d8) pressure injury.

Royal Wave (Queen Solely). Melee Spell Assault: +9 to hit, attain 5 ft., one goal. Hit: 15 (2d10+4) pressure injury.

Royal Scepter (King Solely). Melee Weapon Assault: +9 to hit, attain 5 ft., one goal. Hit: 7 (1d6+4) magical bludgeoning injury plus 9 (2d8) pressure injury.

REACTIONS
Royal Reprisal (Recharge 5–6). When the noble is broken by a creature it will possibly goal the creature with a command spell.

LEGENDARY ACTIONS
The noble can take 3 legendary actions, selecting from the choices under. Just one legendary motion can be utilized at a time and solely on the finish of one other creature’s flip. It regains spent legendary actions at the beginning of its flip.

Assault. The noble makes a melee assault.

Royal Phantasm. The noble casts mirror picture.

Royal Thoughts (King Solely). The noble casts detect ideas or main picture.

Royal Weapon. The noble assaults with a magical weapon it has already conjured (both an arcane sword or non secular weapon).

Spell (Queen Solely). The noble casts a spell.

Step Calmly (Jack Solely). The noble strikes its Velocity with out upsetting alternative assaults.

Royal Physique (King Solely; Prices 2 Actions). The noble regains 16 (2d10+5) hit factors.

Royal Command (Prices 2 Actions). The noble casts command and its goal has drawback on the saving throw.

Disturbing Dimensions​

Ostium has grown itself in the identical form and type because the stone construction it initially was, however with centuries and millennia of fixed reconstruction its structure has warped and devolved to pressure the thoughts.

Complicated Development. A creature can perceive the structure of Ostium with an Engineering examine (DC 10 + 1d8), gaining benefit on checks to observe tracks or decide its location to a different level within the dimension. On a results of 20 or increased the creature suffers a long-term psychological stress impact, or on a failure it suffers a stage of strife. Oddly, a creature carrying a shovel positive aspects an experience die on the examine.

Terminated Teleporting. Teleportation spells forged in Ostium have a most vary of 500 toes.

Limitless Endings​

Souls shuffled off from the mortal coil by no means escape Ostium. As an alternative after they perish they develop into undead. Some keep housed inside their bones or corpses (as senseless skeletons or zombies), or rise anew as a knight of the spade. Those that try to go additional, to see extra, to go the place nobody else has—adventurers principally—are let free from their mortal stays and develop into ghosts within the Explorer’s League.

Ethereal Explorers. There are signposts of a kind in Ostium, or reasonably beside or maybe round it. Within the Ethereal Airplane members of the Explorer’s League work arduous to keep up ethereal waysigns with exact directions to others prefer it, offering the one dependable technique of traversing the dimension. Whereas a creature is ready to see inside the Ethereal Airplane, it can’t develop into misplaced in Ostium.

See Ghosts. A creature carrying a shovel can see ghosts in Ostium even when they’re on the Ethereal Airplane, and positive aspects an experience die on Notion checks made in opposition to them.

Many Mazes​

The realm of Ostium is mazes inside mazes inside mazes inside mazes advert infinitum, a lot of them made all of the extra difficult by newly excavated routes and collapses barring passage ahead. Every maze nonetheless has a coronary heart nevertheless, often fiercely protected by a caravan (containing 2d4+2 NPCs of a most particular person CR equal to 1/4 or lower than the social gathering’s common stage), aberration, or monster that defends it with their lives. Inside these locations there may be all the time an merchandise of nice energy, and as soon as conquered or accepted by its inhabitants PCs can use the guts of a maze as a haven.

Winding Methods​

Numerous disreputable cartographers, deceitful explorers, and duplicitous retailers promote maps for Ostium—most of that are inauthentic. True maps bought for the dimension are virtually by no means correct for greater than a decade and the waysigns left in plain sight by earlier vacationers are hardly ever there after they return. Adventurers making an attempt to traverse this troublesome airplane should navigate by the age of the development close by (utilizing Historical past checks), with the assistance of the Explorers League that also yearns to grasp this place, or by depart of the Courtroom of Spades.

If solely there was a dungeon-themed Stage Up ebook to actually take advantage of out of Ostium…