RuneDelta

# RuneDelta 1.16.5 Update

This update brings a major backport from the newer RuneDelta versions, introduces new progression systems, new structures, and a large number of gameplay fixes.

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# Highlights

### Crusader Raid System
A new progression-based raid system tied to rune discovery.

- Unlocks after discovering **5 runes**
- New **Warlord enemy class**
- Role-based raid encounters
- Overworld-only raids
- Pre-unlock warning messages
- Guide book delivery when progression begins

This expands mid-game combat and world events.

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### Runeboss Dens

New underground structures containing powerful encounters.

Features

- Underground boss dens generate across the world
- Boss fights trigger when entering
- Loot scales with depth
- Rune rewards scale with difficulty
- Warning messages when players approach

Locate command

```
/locate structure runeboss_bed
```

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### Boss Progression Changes

- Boss tiers unlock based on **world age**
- **10 day progression gates**
- Improved spawn reliability
- Improved commands
- Expanded pool of mobs that can become bosses

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# Full Changes

## Crusader System

- Rebuilt crusader progression
- Unlock tied to the **5th discovered rune**
- Added staged warning messages before unlock
- Added warning book delivery
- Overworld-only spawning behavior
- Added **Warlord class**
- Updated raid compositions
- Behavior tuning for
  - Legionnary
  - Deadbolt
  - Beastmaster
  - Warlord
- Raid messaging improvements
- Despawn behavior on player death
- Added configuration toggles
- ModMenu integration

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## Runeboss Systems

- World-day-based tier unlock progression
- 10-day boss progression gates
- Spawn reliability improvements
- Improved command behavior
- Boss drop economy balancing by rarity and tier
- Expanded boss-capable mob pool beyond zombie and skeleton only logic

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## Runeboss Dens

- New underground structures
- Depth-scaled encounter difficulty
- Boss spawn trigger on entry
- Depth-scaled chest loot
- Rune reward logic improvements
- Environmental polish and warning messages
- Structure generation reliability improvements
- Water-surround prevention fixes

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## Rune Gameplay Fixes

- Fixed multiple trigger conditions
- Balanced melee, ranged, armor, and tool rune behaviors
- Fixed defensive proc loops causing near-invincibility
- Added cooldown guards to repeat-trigger effects
- Fixed tool targeting mismatches
- Fixed invalid rune application cases
- Improved hostile rune drop behavior
- Added dimension-based drop multipliers

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## Codex and Progression Improvements

- Added rune condition sections in codex entries
- Added discovery counter
- Improved discovery visibility
- Improved search and filters
- Improved command suggestions
- Expanded advancements and toast notifications
- Added crusader progression messaging

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## Guide, Build Kits, and Commands

- Guide book restored on first spawn
- Improved command access flow
- Better creative vs survival behavior
- Improved checklist and build kit flow
- Random netherite build tooling improvements
- Command cleanup

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## Stability and Polish

- Naming cleanup for the 1.16.5 release
- Removed incompatible systems
- General stability improvements
- Parity polish across systems