True Laboratory is an optional area in Undertale, following the boss battle with Asgore and completing the requirements of a Pacifist playthrough. Our complete Pacifist guide tells you how to get here ...
Asriel Dreemurr is the true final boss of Undertale, coming after you've explored the bonus True Laboratory section. The following boss comes at the end of a complete Pacifist playthrough - in short, ...
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