Wave 20 usually features one or two "Elites." Focus on movement and clearing the smaller enemies so you don't get trapped while chipping away at the boss's health.
Don't be afraid to "Reroll" the shop early on to find the specific weapons you need to complete a set. Tбєp tin: Brotato.v0.5.11.zip ...
Great to level up early (Waves 1-5) to snowball your economy. Wave 20 usually features one or two "Elites
