In the words of Walrus Audio:

Eras is a no apologies, high-gain distortion thats ready to chug, shred, and palm mute with tight response and multiple clipping options. Use the Blend knob at max for a full distortion onslaught or roll back the Blend knob to creatively stack and mix other dirt pedals placed in front of Eras. Great for bassists that want to blend in their dry signal as well. Anywhere you set it, the Eras is ready to deliver a diverse world of speaker ripping sounds.