Zathong will share for you top heroes can counter Grock in Mobile Legends. Grock is a champions: Has insane amount of Damage as Tank, Early Game fights are definite Victory, thanks to his Passive, Can invade Buffs. But Not have any Cons.
Heroes counter Grock:
These picks are strong against Grock at many stages of the game: Karrie, Valir, Hylos, Lylia, Minsitthar, Irithel, Masha, Carmilla, Franco.
Items counter Grock:
These items can help you countering against Grock: Divine Glaive, Malefic Roar.
How to counter Grock?
Use heroes and items giving a blow that can destroy Grock’s armor.
Role counter Grock - > Tank
Best counter heroes: Alpha, Lunox, Karrie.
Best items to melt tanks: Necklace of Durance, Deadly Blade, Endless Battle, Thunderbelt.
Best Spells: Flicker, Vengeance.
Link Source : https://zathong.com/grock-counter-mobile-legends/