These items can help you countering against Fredrinn.
Necklace of Durance
Sea Halberd
Demon Hunter Sword
Malefic Roar
Divine Glaive
Best items counter Fredrinn are: Necklace of Durance, Sea Halberd, Demon Hunter Sword, Malefic Roar, Divine Glaive
Fredrinn counter Tips
Gank him in the early game.
Use a hero that can lock the target.
Use heroes with CC like Ruby.
Fredrinn is one of the most tanky EXP laners in the game right now, and because of his superior defensive stats, he is quite challenging to kill during the laning phase. The greatest option for controlling the laning phase is X.Borg.
Use Thamuz’s ultimate, as soon as you realize Fredrinn is ready to unleash his Appraiser’s Wrath.
In the laning phase, Valir can use Burst Fireball to deal damage from a distance.
Understand of Fredrinn
Pros:
Can slow enemies.
Can knock back the target.
Can regenerate his HP.
Brief cooldowns.
High defense.
Cons:
Slow basic attack.
Weak early game.
Weaker lane control.
How to counter role in Mobile Legends ?
Assassin
Best counter heroes: Silvanna, Franco, Ruby, Minsitthar, Kaja.
Best Items to sustain the burst damage: Wind of Nature and Winter Truncheon.
Best Spell: Purify, Flicker, Aegis.
Tank
Best counter heroes: Alpha, Lunox, Karrie.
Best items to melt tanks: Necklace of Durance, Deadly Blade, Endless Battle, Thunderbelt.
Best Spells: Flicker, Vengeance.
Marksman
Best counter heroes: Hayabusa, Franco, Natalia, Gatotkaca.
Best items for counter: Winter Truncheon, Wind of Nature, Blade Armour, Sea Halberd.
Best Spells: Vengeance, Aegis, Flicker.
Mage
Best counter heroes: Karrie, WanWan, Thamuz, Silvanna.
Best items to counter: Necklace of Durance, Deadly Blade.
Best Spells: Purify, Flicker.
Fighter
Best counter heroes: Gatotkaca, Uranus, Chou, Lancelot.
Best items to counter: Ice Queen Wand, Dominance Ice, Deadly Blade, Divine Glaive.
Best Spells: , Petrify, Flicker and Purify
Support
Best counter heroes: Yi-Sun-Shin, Chou, Granger, Ling, Atlas.