How do you get a howler in monster saga?

In Monster Saga, you can obtain a Howler by evolving a specific monster known as the Howler Egg. To do this, you need to level up the egg by completing battles and quests, which will eventually lead to its evolution into a Howler. Additionally, you can sometimes acquire Howler through special events or by purchasing it from the in-game store, depending on the current game updates. Make sure to check the game's announcements for any limited-time offers.