diff --git a/src/catalyst/config.ts b/src/catalyst/config.ts
index e4a950a..85f0ae1 100644
--- a/src/catalyst/config.ts
+++ b/src/catalyst/config.ts
@@ -6,18 +6,24 @@ export default {
 	 * enable debugging
 	 */
 	debug: true,
-	/**
-	 * command prefix to use, default is "\"
-	 */
-	commandPrefix: "\\",
 	/**
 	 * threshold duration for server lag warning (in milliseconds)
 	 */
 	serverLagWarning: 400,
 	/**
-	 * how many commands from the queue should be executed in a tick
+	 * how many minecraft commands from the queue should be executed in a tick
 	 */
 	commandBuffer: 128,
+
+	/**
+	 * command prefix to use, default is "\"
+	 */
+	commandPrefix: "\\",
+
+	/**
+	 * allow multithreading
+	 */
+	multiThreading: true,
 	/**
 	 * max number of thread tasks to execute every tick
 	 */
diff --git a/src/catalyst/core/command.ts b/src/catalyst/core/command.ts
index 281a2a9..a7c2fa4 100644
--- a/src/catalyst/core/command.ts
+++ b/src/catalyst/core/command.ts
@@ -14,6 +14,7 @@ export let commandPrefix: string = config.commandPrefix;
 
 /**
  * change the command prefix
+ * @param newPrefix new prefix
  */
 export function setCommandPrefix(newPrefix: string): void {
 	events.dispatchEvent("commandPrefixChanged", commandPrefix, newPrefix);
diff --git a/src/catalyst/core/events.ts b/src/catalyst/core/events.ts
index 70fc092..1d134b3 100644
--- a/src/catalyst/core/events.ts
+++ b/src/catalyst/core/events.ts
@@ -86,7 +86,13 @@ export class EventManager<T extends Record<string, any[]>> {
 			// run the listener
 			try {
 				listener.callback?.(...args);
-			} catch { /* no-op */ };
+			} catch (e) {
+				// error
+				console.error(
+					`Uncaught exception on an event listener for ${event as string}:\n`,
+					e?.stack || e
+				);
+			}
 
 			// the listener only listens once
 			if (listener.once) this.removeEventListener(listener);
diff --git a/src/catalyst/core/glyphs.ts b/src/catalyst/core/glyphs.ts
index ddfd62e..9ad308f 100644
--- a/src/catalyst/core/glyphs.ts
+++ b/src/catalyst/core/glyphs.ts
@@ -13,9 +13,7 @@
 // lg = left grab
 // rg = right grab
 
-export const glyphs: {
-	[name: string]: string
-} = {
+export const glyphs: Record<string, string> = {
 	xbox_a: "\uE000",
 	xbox_b: "\uE001",
 	xbox_x: "\uE002",
diff --git a/src/catalyst/core/logger.ts b/src/catalyst/core/logger.ts
index 1d663f5..777e0ef 100644
--- a/src/catalyst/core/logger.ts
+++ b/src/catalyst/core/logger.ts
@@ -7,10 +7,12 @@ const logTextPlaceholder = "[text]";
 const logTypePlaceholder = "[type]";
 
 /**
+ * @class Logger
  * a custom logger
  */
 export class Logger {
 	/**
+	 * @constructor
 	 * make an instance of logger
 	 * @param format the log format, with placeholders "[text]" and "[type]"
 	 * @throws placeholder [text] not found on format string
@@ -20,10 +22,12 @@ export class Logger {
 			throw new Error("Placeholder \"[text]\" not found on log format: " + format);
 		this.format = format;
 	}
+
 	/**
 	 * the log format
 	 */
 	public readonly format: string;
+
 	/**
 	 * whether to show all logs on the gui (useful when debugging)
 	 */
@@ -32,6 +36,7 @@ export class Logger {
 	 * enable debug logging
 	 */
 	public showDebug: boolean = false;
+
 	/**
 	 * return a text from the given log following the format string
 	 * @param text the text
@@ -41,6 +46,7 @@ export class Logger {
 	public makeLogText(text: string, type: string): string {
 		return this.format.replace(logTypePlaceholder, type).replace(logTextPlaceholder, text);
 	}
+
 	/**
 	 * prints the log into the content log file or gui, or botha
 	 * @param text the log text
@@ -56,6 +62,7 @@ export class Logger {
 			case 2: console.error(text); break;
 		}
 	}
+
 	/**
 	 * logs a message
 	 * @param msg the text
@@ -63,6 +70,7 @@ export class Logger {
 	public log(text: string): void {
 		this.printLog(this.makeLogText(text, "log"), this.showToGui ? 1 : 0);
 	}
+
 	/**
 	 * logs information
 	 * @param msg the text
@@ -70,6 +78,7 @@ export class Logger {
 	public info(text: string): void {
 		this.printLog(this.makeLogText(text, "info"), this.showToGui ? 1 : 0);
 	}
+
 	/**
 	 * logs debugging message
 	 * @param msg the text
@@ -78,6 +87,7 @@ export class Logger {
 		if (!this.showDebug) return;
 		this.printLog(this.makeLogText(text, "debug"), this.showToGui ? 1 : 0);
 	}
+
 	/**
 	 * logs a warning
 	 * @param msg the text
@@ -85,6 +95,7 @@ export class Logger {
 	public warn(text: string): void {
 		this.printLog(this.makeLogText(text, "warning"), 1);
 	}
+
 	/**
 	 * logs an error
 	 * @param msg the text
@@ -92,4 +103,5 @@ export class Logger {
 	public error(text: string): void {
 		this.printLog(this.makeLogText(text, "error"), 2);
 	}
+
 }
diff --git a/src/catalyst/core/plugin.ts b/src/catalyst/core/plugin.ts
index 3c21089..91e1c3c 100644
--- a/src/catalyst/core/plugin.ts
+++ b/src/catalyst/core/plugin.ts
@@ -55,10 +55,12 @@ type pluginEvents = {
 };
 
 /**
+ * @class Plugin
  * plugin class
  */
 export class Plugin extends EventManager<pluginEvents> {
 	/**
+	 * @constructor
 	 * make a new plugin
 	 * @param id the identifier of the plugin
 	 * @param fn the startup function of the plugin
diff --git a/src/catalyst/core/rawtext.ts b/src/catalyst/core/rawtext.ts
index d789c91..992da4e 100644
--- a/src/catalyst/core/rawtext.ts
+++ b/src/catalyst/core/rawtext.ts
@@ -59,9 +59,19 @@ interface scoreRawMessage {
 type rawTextNode = textRawMessage | translateRawMessage | selectorRawMessage | scoreRawMessage;
 
 /**
+ * @class RawText
  * the rawtext builder class
  */
 export class RawText {
+	/**
+	 * @constructor
+	 * creates a new RawText instance
+	 * @param [nodes] optional raw json nodes
+	 */
+	constructor(nodes: rawTextNode[] = []) {
+		this._nodes = nodes;
+	}
+
 	/**
 	 * rawtext nodes
 	 * @private
@@ -71,20 +81,26 @@ export class RawText {
 	/**
 	 * raw string
 	 * @param val the string
+	 * @param [prepend] put this on top of the rawtext
 	 * @returns self
 	 */
-	public text(val: string): this {
-		this._nodes.push({ text: val });
+	public text(val: string, prepend?: boolean): this {
+		const json = { text: val };
+		if (prepend) this.prepend(json);
+		else this.append(json);
 		return this;
 	}
 
 	/**
 	 * translate message from player's locale
 	 * @param key the translation key
+	 * @param [prepend] put this on top of the rawtext
 	 * @returns self
 	 */
-	public translate(key: string): this {
-		this._nodes.push({ translate: key });
+	public translate(key: string, prepend?: boolean): this {
+		const json = { translate: key };
+		if (prepend) this.prepend(json);
+		else this.append(json);
 		return this;
 	}
 
@@ -110,10 +126,13 @@ export class RawText {
 	/**
 	 * target selector
 	 * @param val '@-' target selector or player name
+	 * @param [prepend] put this on top of the rawtext
 	 * @returns self
 	 */
-	public selector(val: string): this {
-		this._nodes.push({ selector: val });
+	public selector(val: string, prepend?: boolean): this {
+		const json = { selector: val };
+		if (prepend) this.prepend(json);
+		else this.append(json);
 		return this;
 	}
 
@@ -121,10 +140,13 @@ export class RawText {
 	 * scorboard score of entity
 	 * @param objective the scoreboard objective
 	 * @param name target selector
+	 * @param [prepend] put this on top of the rawtext
 	 * @returns self
 	 */
-	public score(objective: string, name: string): this {
-		this._nodes.push({score:{ objective, name }});
+	public score(objective: string, name: string, prepend?: boolean): this {
+		const json = {score:{ objective, name }};
+		if (prepend) this.prepend(json);
+		else this.append(json);
 		return this;
 	}
 
@@ -164,4 +186,12 @@ export class RawText {
 			})
 		}
 	}
+
+	/**
+	 * returns json text
+	 * @returns the string
+	 */
+	toString(): string {
+		return JSON.stringify(this.toJSON());
+	}
 }
diff --git a/src/catalyst/core/selector.ts b/src/catalyst/core/selector.ts
index c28c822..69a76c8 100644
--- a/src/catalyst/core/selector.ts
+++ b/src/catalyst/core/selector.ts
@@ -41,10 +41,12 @@ type slotType = "slot.weapon.mainhand" | "slot.weapon.offhand" | "slot.armor.hea
 	| "slot.chest" | "slot.equippable";
 
 /**
+ * @class Selector
  * selector builder
  */
 export class Selector {
 	/**
+	 * @constructor
 	 * make a new selector builder
 	 * @param [base] the base selector
 	 */
diff --git a/src/catalyst/core/server.ts b/src/catalyst/core/server.ts
index a74947d..67a4cf6 100644
--- a/src/catalyst/core/server.ts
+++ b/src/catalyst/core/server.ts
@@ -37,35 +37,42 @@ export function message(msg: string, target?: Player | Player[]): void {
 	// [/tellraw] command
 	const cmd = `tellraw @s {"rawtext":[{"text":${JSON.stringify(msg)}}]}`;
 	// run command
-	if (target instanceof Player) runCommand(cmd, target);
-	else if (target instanceof Array) target.forEach(plr => runCommand(cmd, plr));
-	else runCommand(cmd);
+	if (target instanceof Player) queueCommand(cmd, target);
+	else if (target instanceof Array) target.forEach(plr => queueCommand(cmd, plr));
+	else world.getAllPlayers()?.forEach(plr => queueCommand(cmd, plr));
 }
 
 // command queue
 const cmdQueue: Function[] = [];
-// just trigger promises every tick
+// flush the command queue
 system.runInterval(() => {
 	// initial value for buffer
 	let buffer = config.commandBuffer;
 	// loop
-	while (cmdQueue.length && buffer > 0) {
+	while (cmdQueue.length && buffer-- > 0)
 		cmdQueue.shift()?.();
-		buffer--;
-	}
 });
 
 /**
- * queue a command
+ * queue a minecraft command
  * @param cmd the command
  * @param [target] the target
  * @returns a promise which later can be resolved
  */
-export function runCommand(cmd: string, target?: Entity | Dimension): Promise<CommandResult> {
+export function queueCommand(cmd: string, target?: Entity | Dimension): Promise<CommandResult> {
 	return new Promise<CommandResult>(resolve => cmdQueue.push(resolve))
-	.then(r => (target ?? world.getDimension("overworld")).runCommand(cmd));
+		.then(r => runCommand(cmd));
 }
 
+/**
+ * run a minecraft command
+ * @param cmd the command
+ * @param [target] the target
+ * @returns the command result
+ */
+export function runCommand(cmd: string, target?: Entity | Dimension): CommandResult {
+	return (target ?? world.getDimension("overworld")).runCommand(cmd);
+}
 
 // listen for internal events
 world.beforeEvents.chatSend.subscribe(ev => events.dispatchEvent("beforeChatSend", ev));
diff --git a/src/catalyst/core/thread.ts b/src/catalyst/core/thread.ts
index 7b7db9b..504bbc7 100644
--- a/src/catalyst/core/thread.ts
+++ b/src/catalyst/core/thread.ts
@@ -47,16 +47,18 @@ system.runInterval(() => {
 });
 
 /**
+ * @class Thread
  * thread handler
  * @template A args of the generator function
  * @template R return type of the generator function
  */
 export class Thread<A extends any[], R extends any> {
 	/**
+	 * @constructor
 	 * initialize a new Thread instance
 	 * @param fn the generator function
 	 */
-	constructor(fn: genFn<A, R, Thread<any, any>, unknown, unknown>) {
+	constructor(fn: genFn<A, R, Thread<A, any>, unknown, unknown>) {
 		this._function = fn;
 		this.threadId = id++;
 	}
@@ -109,6 +111,9 @@ export class Thread<A extends any[], R extends any> {
 		if (!this.isActive) {
 			this._task = this._function.apply(this, args);
 
+			// multi threading disabled
+			if (!config.multiThreading) this.join();
+
 			// return Promise
 			return new Promise<R>((res, rej) => {
 				this._fnReturn = res;
diff --git a/src/catalyst/plugins/chats/profanity.js b/src/catalyst/plugins/chats/profanity.js
index 9a8ab9a..8060c50 100644
--- a/src/catalyst/plugins/chats/profanity.js
+++ b/src/catalyst/plugins/chats/profanity.js
@@ -4,23 +4,23 @@
 
 /** @type {string[]} */
 export default [
-	'ars*e', // arse
+	'ars+e', // arse
 	'as{2,}', // ass
-	'ba*sta*rd', // bastard
-	'be*lle*nd',// bellend
-	'bi*nt', // bint
-	'bi*a?tc*h', // bitch
-	'bo*llo*c*ks', // bollocks
-	'bu*gger', // bugger
-	'da*mn*', // damn
-	'di*c*k', // dick
-	'f(?:u|e)*c*k', // f[ue]ck
-	'gi*t', // git
-	'mi*nge*r', // minger
-	'mu*nte*r', // munter
-	'ni*g*a', // nigga
-	'pi*s{2,}e*d', // pissed
-	'shi*t', // shit
-	'so*d', // sod
-	'twa*t' // twat
+	'ba+sta+d', // bastard
+	'be+lle+nd',// bellend
+	'bi+nt', // bint
+	'bi+a?tc+h', // bitch
+	'bo+llo+c+ks', // bollocks
+	'bu+gger', // bugger
+	'da+mn+', // damn
+	'di+c+k', // dick
+	'f(?:u|e)+c+k', // f[ue]ck
+	'gi+t', // git
+	'mi+nge+r', // minger
+	'mu+nte+r', // munter
+	'ni+g+a', // nigga
+	'pi+s{2,}e+d', // pissed
+	'shi+t', // shit
+	'so+d', // sod
+	'twa+t' // twat
 ];