Actually better buy a nekro instead of getting an mm or arc deary and open it up. Nekro is good for overall stats giving a good amount of mana.
Vs tanks. Try to make the enemies horn fail(charge ur bow). If u can fail his horn, hes dead unless he didnt jugged yet(if he uses jugg). So be careful and learn the enemies skill rotation and predict when he is about to heal and stun him at the right point! )

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