Diana is an Assassin/Nightbringer in TFT set 5.5 who has calls forth moonlight, drawing in all nearby enemies, dealing magic damage and stunning them for a few seconds.
How to counter Diana TFT set 5.5?
Champion counter
- Garen
Garen calls down a sword that strikes a large area around his target, dealing % of each target’s max Health in magic damage and reducing their Magic Resist by 50% for 8 seconds. Garen gains a shield equal to % of his maximum Health for 5 seconds.
2. Jax
Jax slams his target for % of his Attack Damage and gains stacking Attack Speed for the remainder of combat. Jax leaps to the nearest enemy if no target is in his Attack Range.
3. Nautilus
Nautilus causes the ground beneath his target to erupt, knocking them up, stunning them for a few seconds, and dealing magic damage. Enemies adjacent to the target receive 50% of this effect.
4. Rell
Rell leaps into the air and creates a tether between herself and her farthest ally. When she lands, the tether breaks, stunning all nearby enemies in its path for a few seconds. This effect also grants Health shield for 4 secs to nearby allies in the same area.
5. Aaatrox
Aatrox strikes his target, dealing % of his Attack Damage, and heals himself.
Items counter
1. Quicksilver

The wearer is immune to crowd control for the first 12 seconds of combat. [Unique – Only One Per Champion]
2. Bramble Vest

Negates bonus damage from incoming critical hits. On being hit by a Basic Attack, deal 80/100/150 ★ magic damage to all nearby enemies (once every 2.5 seconds).
3. Frozen Heart

Reduces the Attack Speed of enemies within 2 Hexes by 25%. [Unique – Only One Per Champion]
4. Guardian Angel

Prevents the wearer’s first death, placing them in stasis instead. After 2 seconds, they return with 400 Health and shed all negative effects. [Unique – Only One Per Champion]
5. Sunfire Cape

Every 2.5 seconds, a random enemy within 2 hexes is burned for 25% of their maximum health over 10 seconds. Any healing they receive is reduced by 50%. [Unique – Only One Per Champion]
6. Gargoyle Stoneplate

The holder gains 18 Armor and 18 Magic Resist for each enemy targeting them.
7. Ironclad Emblem

The holder gains the Ironclad trait. [Unique – Only One Per Champion]
8. Redeemed Emblem

The holder gains the Redeemed trait. [Unique – Only One Per Champion]