SeasonalSLSBridge

v1.4.8·Updated 2026-09-27

Adds immersive seasonal StarLevelSystem modifiers and seasonal creature titles to Valheim.

Screenshots 6 screenshots

About this mod Author’s original text

Seasonal SLS Bridge 1.4.8

Seasonal SLS Bridge connects Seasonality with StarLevelSystem to give Valheim's creatures seasonal combat traits and optional visual variants.

The goal is simple: make the world feel more alive and less predictable without changing StarLevelSystem itself, replacing its modifier names, or taking control away from Seasonality.

Community & support

For mod questions, bug reports, ideas, texture contributions or general discussion, join the community Discord:

What's new in 1.4.8

Version 1.4.8 improves StarLevelSystem compatibility handling and adds a new local seasonal-icon layer to creature hover names.

  • StarLevelSystem 1.18.2 has been explicitly verified.
  • Newer StarLevelSystem versions are no longer rejected solely because their version number is higher. If the validated public API remains compatible, the bridge continues to work and shows a single startup warning.
  • If the required public API is actually incompatible or missing, the bridge safely disables the StarLevelSystem integration and reports the problem instead of attempting unsafe calls.
  • The validated public StarLevelSystem API is now bound through delegates, reducing the risk of loading a future version that no longer exposes one of the expected functions.
  • Seasonal hover names can now show local icons for winter, spring, summer and autumn.
  • Titles.ShowSeasonTitle can hide the textual titles (Vetrbarn, Várbarn, Sumarbarn, Haustbarn) while keeping the icon.
  • Titles.ShowSeasonIcon, Titles.SeasonIconSize and Titles.SeasonIconSpacing control the local icon UI.
  • Seasonal icons use 128×128 RGBA PNG assets and do not modify ZDO data, StarLevelSystem state or network authority.

1.4.7 was a documentation-only release and did not change gameplay, seasonal logic or visual-system behavior.

Visual System

The visual system is designed to complement Seasonality instead of replacing it.

Current artwork status: fully finished public custom textures are currently included for the Troll, the Greydwarf family and Skeletons.

The broader visual framework and creature catalog are already prepared for additional families, which will continue to be added gradually.

When a supported creature has a matching modifier, Seasonal SLS Bridge can apply a local visual variant for that creature.

Examples include:

  • Frost — winter / cold appearance
  • Fire — heated or volcanic appearance
  • FireNova — more unstable fire appearance
  • Poison — toxic / overgrown appearance
  • PoisonNova — unstable toxic appearance
  • Lightning — storm-charged appearance
  • ElementalChaos — unstable arcane appearance
  • Big — winter heavy / imposing appearance where supported
  • SoulEater — dark generic appearance
  • Brutal — aggressive generic appearance

Unedited or unsupported properties are left alone so Seasonality can continue handling its normal seasonal visuals.

BalrondHumanoidRandomizer variants

For supported Skeleton and Draugr variants created by BalrondHumanoidRandomizer, the bridge resolves the randomized prefab back to its catalogued base creature and reuses that base creature's existing texture set.

This avoids maintaining duplicate textures for every randomized variant and does not cause intentionally excluded base prefabs to be added back into the visual catalog.

Version 1.4.6 also improves material-property handling: unrelated property blocks no longer block supported texture maps, failed first applications can be retried, and visual warnings include the affected prefab name for easier diagnosis.

Visual priority

If a creature qualifies for more than one supported visual, the bridge uses a fixed priority:

  • Elemental modifiers, with seasonal primary elements taking priority
  • SoulEater
  • Brutal
  • Big

This order is unchanged in 1.4.6. Big can now use a supported visual throughout the year instead of depending on a specific season.

This keeps the result predictable and avoids multiple systems trying to overwrite the same material.

Ele

Install & use Install: BepInEx plugin

  1. The archive from playbuff is the mod itself — usually a BepInEx plugin (a .dll or a plugin folder once unzipped).
  2. Recommended: use a community mod manager (such as r2modman) — pick this game, import the mod, and the manager sets up BepInEx and its dependencies for you.
  3. Manual route: install the BepInEx loader in the game folder, then drop the unzipped .dll or plugin folder into BepInEx/plugins/.
  4. Launch the game — the BepInEx console logs every plugin it loads; seeing this mod in the log means it is installed.

Mods with listed dependencies need those installed too, or they will not load. Options are usually changed in-game or in the plugin's config file. In multiplayer, the host and every client need the same mods installed.

Dependencies

Install these first, or the mod will not work:

denikson-BepInExPack_ValheimValheimModding-JotunnValheimModding-YamlDotNetMidnightMods-StarLevelSystemRustyMods-Seasonality

File & checksum

Filename
SeasonalSLSBridge-1.4.8.zip
File size
34.0 MiB