Wilderness Grom is a hero who won the challenge for free in the post-Christmas version update, and most players can easily get it for free.
A Brief Introduction to Grom in the Wilderness.
Grom is an epic hero. Working as a security guard at Xingmiao Paradise Castle. His intercom is his best friend. Grom is a fireman who can throw bombs at the enemy. When the bomb hits the ground, it will produce a cross-shaped shock wave. His super skills are similar to ordinary attacks, but they are more extensive and destructive, and can even destroy walls.