Ethernalis Systems Reference

Game Systems

The laws that shape every dungeon, trade, and whispered spell.
- A rule-book account of how Altarmn works beneath the surface
16 Systems· 6 Magic Schools· 14 Material Domains· 10 Dungeon Themes

A page for every law of the world - how the dungeon is built, how it kills you, how it trades with you, and how it watches. The dungeon still holds its secrets; this only tells you the shape of them.

SPL
Spellcraft

The Art of Spellcraft

Six magic schools, scroll mastery, the spellcraft roll, proficiency scaling, and conversion magic.

XP
Progression

Experience and Progression

Experience awards, level thresholds, class branches, use-based proficiencies, and XP as perk currency.

CBT
Combat

Combat and Injury

Quick attacks, targeted Attack actions, stamina cost, enemy harm, traps, events, survival damage, spells, and afflictions.

DNG
Generation

The Card-Dungeon

How dungeons spread from room to room, what themes change, and why locks, keys, floods, and smaller delves alter the route.

MAT
Craft

Matter and Craft

Fourteen material domains, the quality scale, stat modifiers, durability, vulnerability, and crafting inheritance.

RUN
Runework

Sockets and Enchantments

Runic tools, socket creation, rune insertion, item buffs, room auras, enchantment rolls, and magical item risks.

ACT
Actions

Advanced Actions

Fishing, foraging, mining, washing, harvesting, tag-based object work, tool requirements, proficiency, and sustainable resources.

NPC
Living World

People of the Dungeon

Four NPC kinds, AI behavior, needs, equipment, companions, and how quest state lives on the player.

TRD
Commerce

The Trade Post

Three merchant types, buying, selling, stealing, merchant leveling, and how personality shapes trade.

TML
Timelines

The Living Clock

How the world waits, and how dozens of small clocks count down toward the next encounter, quest, betrayal, or gift.

DRT
Grime

Grime, Blood, and Scent

The two ways the dungeon learns to dislike you: what is caked onto your clothes, and what hangs in the air around you. How filth lingers, how scent draws predators, and how both fade.

TRT
Traits

Character and Comfort

Eight trait kinds rolled at creation, comfort contributions, scope, race and class bias, and trait sources.

PRK
Perks

Perks

How perks are earned, what each one costs, which require others first, and the full bestiary of fifty-four. Every climb through the tree changes how you fight, craft, sneak, or survive.

MIN
Extraction

Mining & Excavation

Pickaxe mechanics, wall durability, mineral yields, gem recovery, ceiling collapse risk, and location-based vein mining.

LOC
Rooms

Location Upgrades

Some rooms can be made into other rooms. With the right neighbouring cards and the right offering, a campsite becomes a forge, a forge a chapel. The full list of every transformation the world allows.

WTH
Weather

Weather & Climate

Five kinds of weather, from clear to ruinous. How temperature is reckoned, what rain does to the dungeon floor and to the dirt on your boots, and why night is darker beneath the world than above it.