The best spoiler bot. Also has spoiler polls (yes/no/don't care and multiple-choice) and is mobile-friendly.

Ultimate Spoiler Bot

<html><head></head><body>Shows spoilers as an embed. Hover to read, click to view it in a web page, or react with the incoming envelope (📨) emoji to send it to you via DM.
If you have the Manage Messages permission, reacting to any message with the no entry sign emoji (🚫) will delete it and send a spoiler with its text. It won't have a title, but you can say what it spoils yourself.
<h1>Commands:</h1>
<ul>
<li>:spoilerhelp</li>
<li>spoiler title: contents</li>
<li>spoilerpoll title: text</li>
<li>spoilerpoll title: {text} [option A] [option B] [option C]...</li>
</ul>
The title can be omitted.
</body></html>

Ultimate Spoiler Bot

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Overview

Commands:

Ratings & Reviews