18 août 2021

Yet Another Hexcrawl Procedure

 There are many procedures out there but I wanted something simple and compatible with the B/X OSE ruleset. I took inspiration from many blogs, reddit posts and zines to come with my version of the hexcrawl rules.


This ruleset is an extension of Old-School Essentials Wilderness Adventuring. If not explicitly ruled, applied as OSE

I use the classic 1 HEX = 6 miles = +/- 10 km but it works with any size


Roll for Weather once each day


Watches

The day is divided in 3 watches of roughly 8 hours:

  • Early watch (+/- 6 am -> 2 pm)

  • Late watch (+/- 2 pm -> 10 pm)

  • Night watch (+/- 10 pm -> 6pm)


For each watch the party has one action

TRAVEL: The party travels thru hexes. 

  • Progress up to half of daily travel distance

  • all obvious locations/features and the terrain type of neighbouring hexes are revealed accordingly to sight distance.

  • Check for losing direction.

  • Roll on the Event Table

EXPLORE: The party search for hidden features within the current hex. 

  • One Location/Feature is discovered.

  • Roll on the Event Table.


SUPPLY: The party is gathering food and water

  • Hunting and foraging according to OSE (1 in 6 chance) 

  • Roll on the Event Table.


CAMP: The party stops to set up camp. 

  • Each member removes 1 of penalty due to fatigue (if any)

  • Roll on the Event Table.

 

INTERACT: The party interacts with a location/feature

  • Dungeon delving, town/village adventure, lair exploration, long Npc interaction, ...


Fatigue

Every night the party skips camp or each watch they do a forced march they get a cumulative -1 penalty on all their checks.

Event Table

D6+Terrain modifier

TRAVEL

EXPLORE

SUPPLY

CAMP

<=1

Encounter

2

Hazard

3

Location/Feature

Hazard

Location/Feature

Quiet

>=4

Quiet


ENCOUNTER: generate a random encounter. If the distance is far it can be an omen.

LOCATION/FEATURE: The party stumbles upon a hidden location or feature

HAZARD: The party comes across a hazard or impediment (Event or Terrain at DM discretion)

QUIET : Nothing noticeable happens.

Event Terrain Modifier

▶ City, clear, grasslands, settled lands: 0.

▶ Aerial, barren, desert, forest, hills: -1.

▶ Jungle, mountains, swamp: -2.


Sight distance

Height
Horizon 
Human size
Current Hex
50' - 15m - Tree
1 Hex
100' - 30m – Watchtower 
2 Hexes 
330' - 100m – Low Hill 
3 Hexes
1000' - 300m – Average Hill
5 Hexes
1650' - 500m - Hill 
7 Hexes
3300' - 1000m – Mountain
10 Hexes

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