Strong early ganks and tank draining.
Improved attacks and sustained damage
Attacking a champion 3 times will expose them, dealing bonus damage and causing them to take more damage from all sources for 6 seconds.
Takedowns restore health and grant bonus gold.
Takedowns on enemies grant permanent Tenacity.
Deal 7% more damage to low health champions. Gain AD/AP after kills or assists.
+65 health and +9% attack speed
After taking damage from an enemy champion, the next 3 spells or attacks you receive deal less damage.
After 10 minutes gain 8 Armor and 8 Magic Resist and increase your total Armor and Magic Resist by 5%.
Press the Attack on Trundle is incredibly easy to proc quickly with an Auto->[Q]->Auto for a bit of burst damage during ganks and extra follow-up damage from your teammate.
Triumph's mid-fight heal is great for sustaining incoming damage during teamfights as a front-line tank so you can continue chasing and chomping enemies.
Trundle's biggest weakness is his ability to be easily kited with CC. The Tenacity allows you to stick to your target for repeated [Q] slows and damage.
Coup De Grace's execution damage allows you to finish-off low health targets that you're able to chase and slow with [Q].
Bone Plating's burst damage protection allows you to run head-first into a fight after placing a good [E] pillar.
Conditioning's mid-game resists make you a skirmish and teamfight monster, able to absorb and heal off a ton of incoming damage with your passive and [R].
Patch 8.10 saw a buff to Phase Rush and jungle duels for scuttle making Xin a powerhouse.