These items can help you countering against Selena.
Athena’s Shield
Tough Boots
Purify
Best items counter Selena are: Athena’s Shield, Tough Boots, Purify.
Selena counter Tips
Use heroes with high mobility and CC Immunity/remove to counter Selena.
To counter Selena, you can buy the item Athena’s Shield for reducing higher burst damage. Tough Boots for reducing stun time controlled by Abyssal Arrow. Or, use Purify for removing stun effect.
Use heroes can escape from Selena’s 2nd skill stun like: Wanwan, Lancelot, Khufra, Saber, Benedetta.
Use heroes can CC immunity like Benedetta.
Understand of Selena
Pros:
High damage.
Has both an AoE and CC effect.
Versatile hero.
The longest stun effect.
Has a deadly combo skill.
Very strong in the early game.
Has high mobility.
Has an element of surprise.
Cons:
Weak when late game.
High mana usage.
Low durability.
Difficult to defend.
Very weak against crowd control.
Not good in team fights.
Vulnerable to CC effects.
Understanding of complicated and difficult to play skills.
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.