BlacklistUltimate is the definitive player blacklist addon for WoW TBC Classic (2.5.5). Track, detect, and be warned about problematic players across all your characters.

Features:

- Multi-method detection — target, mouseover, nameplates, group roster, combat log, chat, /who

- Cross-faction detection — passively detects blacklisted enemy players

- Tooltip integration — shows blacklist status, category, severity, and reason on hover

- Nameplate coloring — blacklisted players get red nameplates with warning icons

- Chat highlighting — marks messages from blacklisted players with [BL:Category] tags

- Sound & visual alerts — configurable alert sounds, raid warning style popups, floating alerts

- Custom categories — create your own categories with custom colors (Ninja Looter, Toxic, Scammer, etc.)

- Severity levels — 1-5 star rating system for each entry

- Guild sync — share your blacklist with guildmates via addon communication

- Crowdsourced scoring — see how many group members have also blacklisted a player

- Guild protection — scans guild roster and warns about blacklisted members (optional auto-kick)

- LFG applicant warning — warns when a blacklisted player tries to join your group

- Auto-decline — optionally auto-decline party invites and duels from blacklisted players

- Import/Export — share blacklists with friends via compressed strings

- Right-click menus — quickly add/remove players from unit frames and chat

- Minimap button — quick access to the main window and settings

- Slash commands — /bl add, /bl remove, /bl check, /bl search, and more

Commands: /bl or /blacklist to open the main window