Chat Commands
This is the comprehensive list for all chat commands on SPL, it aims to be exhaustive, but if you're ever in doubt, use /help to see all of them. For a list of teleportation locations accessed via commands, use /teleport or see Teleport Commands.
Miscellaneous
/follow - Target another player to auto follow them (upon using, turns your cursor into a spell-like pointer to use on a player) /afk - Activates AFK mode. You will be immobilized for 10 seconds when you do this, and jumped to the AFK area. /sitadjust - Open an NUI adjuster for sitting. /sitchair - Sit in a fake chair. Effectively plays the sitting animation. /duel <on/off> - Toggle lethal damage against players. Lethal damage is automatically off. /damageme <amount> - Deal bludgeoning damage to yourself. Also /truedamageme for divine damage. /dismiss - Dismiss any henchmen, summons, familiars, animal companions. /gather - Bring your summons to you if stuck behind transitions. May not be used to ICly teleport them. /resisthealingoff and /resisthealingon - Toggle whether you want to resist healing spells. /nobloodmagic <on/off> - Toggle on to make a party member's blood magic skip you. /respawn - Kills you for whatever reason. Needs to be typed twice for confirmation. /cleariouns - To clear all iouns. /ai <on/off> - Toggles your current summon AI on and off. /roleplayer - Opt into the heavy RP system. This system grants larger XP ticks, double the weekly epic XP allotment, and double profession gold, but you'll no longer gain writ rewards. (You can still buy writ marks from other players.) /quester - Opt out of the heavy RP system. Your current writs will be cleared (not to be confused with writ marks). /spireselfbuff <on/off> - Toggle on the Spire of Valor shrine buffs for yourself only (as compared to your summon). /bindhome <on/off> - Bind to your property. /shopgold - Claim gold made from your shop. /trade - Make a crate of your warehouse materials for trading. /tradedust - Make a crate of arcane dust for trading. /nui <on/off> - Toggle your class specific auto display NUI on or off. /torment <0-9> - This only works with party leader level 20+. Great caution is advised with this system.
Character Modifications
/descedit - Open description editor window. /menu - Opens up a dialog menu for character customization. /skills - To display in formation about acquiring free RP skills. See RP Skills for more info. /languages - To display information about acquiring languages. /portrait set <file name> - To use a specific portrait file in your portrait folder. /listsoundsets - Displays a list of available soundsets for use with /changesoundset. /changesoundset - Switch to a different voice set. /weaponvfx- Add or remove visual effects to weapons. /styles - For a list of fighting styles. (Many styles do not work on robe models). /scalefix - Resets scale to fix visual bugs. /renownstatus <on /off> - Toggles your auto description Renown status. /identity - Changes your name and save/load disguises. This system hides your account name. DMs can see who you are. Do not abuse this system or you will lose the privilege. /name - Changes your name. Doesn't work with /identity. /skinvfxoff and /skinvfxon - Toggle display of visuals for spells such as Barkskin and Stoneskin. /spellvfxoff and /spellvfxon - Toggle display of certain spell visuals, including elemental protections and skins. /deskin - Remove all 'skin' effects （stoneskin，barkskin, etc）. /reveal - Remove all invisibility effects. /delete - Delete the character permanently. Needs to be typed twice for confirmation and it cannot be undone. /remake - Delete the character for remaking. Only use this with the help of a DM.
Information
/listpcs or /findplayers - Returns a list of players looking for RP and the areas they are in. (See /setunfindable and /setfindable to toggle it on and off). /dms - See if any DMs are online. /writs - Displays your active Planewalker's Guild writs. /rent - Check your current rent status. /shoprent - Check your current shop rent status. /teleport - To display the teleportation locations. See Teleport Commands. /spelltimer <on/off> - Displays your spell timers. On or Off as parameters to turn on or off. /resttime - Shows how much time is left to rest. /timers - Display cooldowns for timer based dungeons. /craftskills - See your craft skill ranks. /warehouse - See your warehouse contents. /renown - Check your current Renown. This can only be used once a day. /lapool - Check the epic LA XP pool you have remaining to pay off. /key - Get your public CD key.
Roleplay
/descitem - Open a name and description editor window for your crafted items，containers, purchasable pets, creature capsules, and roleplay items. (This will turn your cursor into a spell-like pointer, which you use on your item). /hush <0-7> - Speak quietly to those around you within a numerical radius. Hush 0 to turn off. Only works in IC talk mode and full line-of-sight. /h<1-7> <hushed text here> - Speak hushed once similar to /w with whisper. Only works in IG talk mode and full line-of-sight. /sh <shouted text here> - Speak in a shout mode and doesn't require line-of-sight. /c <companion text here> - Lets you speak through a companion. /speak - Learn how to speak a language you know. /sendingtarget <Name> - Lets you pick a target for your Sendings. Case sensitive. (Requires a Rod of Sending). /sendingreply <150 character message> - Reply to the last Sending. (Requires a Rod of Sending). /challenge <Player> - Challenge a player to a duel with tracked results. /mark object mark <text> - Creates a placeable with a description. The <text> is the "name" of the placeable object, which appears as a dirt mark, but can be used for other purposes within reason. /shopname <New_Name> - Set a more customized name for your shop while inside it. Case sensitive. New name will be displayed on next shop creation. (Underscores in the command are treated as spaces in the shop name. See Player Shops for more info.) /setunfindable or /setfindable - Makes you un/findable using the /listpcs or /findplayers command. /walk - Toggle always-walk mode on and off. (Can be macroed onto the F1-12 bar to be pressable like Detect Mode for those who cannot stop running). /lock or /freeze - Freezes your PC in place，preventing them from moving. Type /unlock or /unfreeze to disable.
Emotes
The emotes by line are generally synonymous. (Remember, there's also the Emotes accessible via Special Abilities > Class > Emotes on your radial menu when used on your own character.)
/point, /points /think, /holdchin, /rubchin /headache, /head /crossarms, /cross /beckon, /come /crouch, /hide /hang, /tiedup /smash, /hammer /sleep, /liedown /fallfront, /fallback
Skill, Attack & Ability Rolls
/rpattack - Publicly roll your AB. /rpevade - Publicly roll your AC.
To roll a Skill Check or Ability Check, simply use the name of the Skill or Ability Score to roll it, eg: /strength (/str), /intelligence (/int)... /spot, /movesilently (/ms), /usemagicdevice (/umd)...
For Knowledge and Profession skills, use the name, combined if there's a space, without the prefix word: /arcane (for Knowledge: Arcane), /scribe (for Profession: Scribe), /planarcreatures (for Knowledge: Planar Creatures)...
Dice Rolls
/d2, /d3, /d4, /d6, /d8, /d10, /d20, /d100, /<number>d6 (up to 5d6)
/d100 is frequently used in-character by Planeswalkers for sharing their hard earned spoils after a planeswalk into some dangerous place (but it's not mandatory).