Upscaling worked ok for me:

Upscaled image: https://imgur.com/a/4IQA7

Result on demo page: http://imgur.com/a/A0v5C

The hammerman Tikes flsosushsath: Greetings. My name is Tikes Leafsilk.

You: Rh. hello. I'm Stasbo Murderknower the Craterous Trance of Fins. Don't travel alone at night. or the bogeyman will get you.

You: Tell me about this hall.

Tikes: This is The flccidental Ualley. In 123, Stasho Steamdances ruled from The flccidental Ualley of The Council of Cobras in Ueilapes.

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