To execute the "Andumpym" strategy correctly, follow this setup:

The Appeal:

The Downsides & Risks:

First, a clarification. "Andumpym" is not a standard hero name in the official codex. It appears to be a community-driven term (possibly a misspelling of "And then pump 'em" or a mashup of Alric + Durax + Pump). In the context of this guide, Andumpym refers to the hyper-aggressive, hero-centric strategy that relies on unlocking premium heroes to "dump" enemies onto your best damage dealers.

If you own the Steam version ($9.99), you can use Cheat Engine to lock your gem value. Here is the quickest way:

Result: You now have unlimited gems. Go to the hero shop and buy every single hero instantly. This is the best method for PC purists who want a "legitimate" save file without external mods.