What is the second death?

This article has been translated into the following languages:

عربى Български 简体中文 繁體中文 Deutsch Español پارسی Français Ελληνικά हिन्दी Hrvatski Indonesia Italiano 日本語 Kiswahili 한국어 Magyar Polski Português Русский සිංහල Tagalog ภาษาไทย українська اُردُو Việt