Server Features
L2J Mobius Chronicle 4 combines authentic Chronicle 4 gameplay with modern enhancements and stability improvements. This page details the major features and systems available.Core Chronicle 4 Features
Olympiad & Hero System
An advanced competitive PvP system with ELO-based matchmaking.L2J Mobius implements a sophisticated ELO rating system for fair matchmaking, going beyond retail-like mechanics.
- ELO-Based Ranking: Players are matched based on skill rating, not just wins/losses
- Anti-Feeding Protection: Matches with ELO difference >400 award no points
- Dynamic Rewards: Gate Pass rewards scale with average participant ELO
- Thread-Safe Registration: Concurrent player registration without race conditions
- Class-Based & Non-Classed: Separate queues for balanced competition
config/Olympiad.ini):
Olympiad.ini
- Special hero aura and glow
- Access to hero skills and weapons
- Hero chat channel access
- Noblesse points rewards
Seven Signs
The epic territory control system where players choose between Dawn and Dusk factions.- Seal Contests: Control over Avarice, Gnosis, and Strife
- Catacomb Access: Special dungeons based on winning faction
- Mammon NPCs: Exclusive merchants for Ancient Adena items
- Weekly Cycles: Strategic gameplay across recruitment, competition, and seal validation
Noblesse System
Achieve nobility through the Subclass Quest chain:- Required for Olympiad participation
- Unlocks Gate Pass teleportation
- Access to exclusive skills
- Hero system eligibility
- Special visual effects
Subclass System
Multi-class character progression:- Up to 3 subclasses per character
- Level each subclass independently
- Retain main class skills when switching
- Shared equipment across classes
- Strategic builds for different combat roles
Epic Raid Bosses
Challenge the most powerful foes in Chronicle 4: Available Raid Bosses:- Valakas (Fire Dragon) - Level 85
- Antharas (Earth Dragon) - Level 79
- Baium (Fallen Angel) - Level 75
- Zaken (Undead Pirate) - Level 60
- Queen Ant (Insect Queen) - Level 40
- Core (Golem Guardian) - Level 50
- Orfen (Wizard) - Level 50
- Anakim & Lilith (Angels) - Level 80
config/GrandBoss.ini):
GrandBoss.ini
Dimensional Rift
Instanced dungeons with unique challenges:- Party-based content (2-9 players)
- Multiple difficulty levels
- Boss encounters with special rewards
- Time-limited exploration
- Fragmented dimension keys for entry
Skill Enchanting
Enhance your abilities beyond their base power:- Enchant skills up to +30 levels
- Increased damage, duration, or reduced cost
- Requires enchant books specific to skill type
- Chance-based system with safe/blessed books
Castle & Territory Features
Castle Siege System
Compete for control of 9 major castles: Available Castles:- Gludio Castle
- Dion Castle
- Giran Castle
- Oren Castle
- Aden Castle
- Innadril Castle
- Goddard Castle
- Rune Castle
- Schuttgart Castle
- Destroyable walls and gates with HP pools
- Strategic trap placement
- Throne room capture objective
- Siege time restrictions (configurable hours)
config/Feature.ini):
Feature.ini
- Tax collection from territory
- Clan hall ownership privileges
- Special buffs and teleports
- Economic control over regions
Manor System
Clan-based agricultural economy:- Plant seeds in castle territories
- Harvest crops for profit
- Supply castle with resources
- Weekly crop cycles
- Trade goods for rewards
Clan Halls
Smaller territory holdings for clans:- 7-day function rental periods
- Teleportation services
- MP/HP regeneration buffs
- Support magic access
- Decorations and customization
Advanced Geodata System
Pathfinding Engine (config/GeoEngine.ini):
GeoEngine.ini
- Accurate line-of-sight calculations
- Realistic NPC/monster movement
- Prevents exploits like shooting through walls
- Optimized pathfinding with configurable weights
- Smart obstacle avoidance
Custom Enhancement Features
L2J Mobius includes 30+ optional custom features in theconfig/Custom/ directory:
Champion Monsters
Random monsters become powerful champions with enhanced rewards. Configuration (Custom/ChampionMonsters.ini):
ChampionMonsters.ini
- Red aura visual effect
- 5x HP multiplier
- 5x EXP/SP rewards
- 5x item drop chance and amount
- Bonus Adena rewards
- Optional passive behavior
Offline Trading
Players can maintain shops while offline. Configuration (Custom/OfflineTrade.ini):
OfflineTrade.ini
- Shops persist through server restarts (up to 3 days)
- Must be in peace zones
- Invulnerable while offline
- Gray name color indicator
- Real-time transaction tracking
.offlinecommand for quick logout
Auto-Play System
Assisted gameplay for grinding.- Auto-targeting nearby monsters
- Automatic skill usage
- Looting and item pickup
- Configurable target filters
- Anti-AFK measures compatible
Dualbox Protection
Prevent multi-client abuse:- Limit simultaneous connections per IP/HWID
- Olympiad restrictions (1 window only)
- Event participation limits
- Configurable allowed boxes per activity
Faction System
PvP-focused team system:- Join Good or Evil faction
- Faction-specific quests
- Territory control battles
- Reward currency system
- Team-based PvP rewards
Community Board Enhancements
- Enhanced mail system
- Friends list management
- Clan search functionality
- Server statistics display
- Player rankings
- Market listings
Premium System
VIP membership tiers:- Bonus EXP/SP rates
- Enhanced drop rates
- Exclusive skills
- Teleportation privileges
- Storage expansions
Other Custom Features
Banking System
In-game banking with deposit/withdrawal and interest
Class Balance
Fine-tune class stats for competitive balance
Boss Announcements
Server-wide notifications for raid boss spawns
Captcha System
Anti-bot verification for player activities
Chat Moderation
Advanced chat filtering and moderation tools
Delevel Manager
Allow players to reduce their level
Fake Players
NPC players to populate the world
Find PVP
Teleport to active PvP zones
Free Mounts
Complimentary mounts for all players
Multilingual Support
Multiple language translations
NPC Stat Multipliers
Adjust monster difficulty globally
Password Change
In-game password modification
Gameplay Systems
Fishing System
Relaxing fishing mechanics:- Multiple fishing zones
- Fishing shots for improved catch rates
- Variety of fish types and rarities
- Special fishing events
- Fish trading for rewards
Clan Wars
Declare war on rival clans:- Formal war declaration system
- Honor-based PvP (no karma penalty)
- War statistics tracking
- Victory conditions and rewards
Boat System
Ocean transportation:- Regular routes between towns
- Talking Island ↔ Gludin
- Giran ↔ Heine
- Scheduled departures
Dye System
Pattern-based stat customization:- STR, DEX, CON, INT, WIT, MEN dyes
- Limited dye slots based on class
- Strategic stat optimization
- Removable and replaceable
Macro System
Automate complex skill rotations:- 24 available macro slots
- Command sequences
- Conditional logic
- Skill chains
- Target management
Rate Configuration
Fully customizable experience rates (config/Rates.ini):
Rates.ini
- Level difference penalty system
- Per-item rate overrides
- Separate raid boss rates
- Karma drop rate modifiers
- Vitality bonus multipliers
Performance & Stability
Multi-threaded Architecture
- Dedicated thread pools for:
- AI processing
- Scheduled tasks
- Packet handling
- Database operations
config/Threads.ini):
Threads.ini
Deadlock Detection
Automatic monitoring and recovery (config/Server.ini):
Server.ini
Database Connection Pooling
Database.ini
Flood Protection
Packet spam prevention (config/FloodProtector.ini):
- Use-item flood protection
- Server-bypass flood protection
- Packet-per-second limits
- Auto-kick on violation
Security Features
- HWID Tracking: Hardware-based identification
- IP Restrictions: Max players per IP address
- GM Audit Logging: Track admin command usage
- Packet Encryption: Secure client-server communication
- SQL Injection Protection: Parameterized queries throughout
Next Steps
Configuration Guide
Deep dive into all configuration options
Admin Commands
Learn GM commands for server management
Customization
Modify scripts, add content, and extend features
API Reference
Java API documentation for developers