T3 items by use

Use CP WP Util
Anti-armor/shield Myth Bonesaw, Tension  
Stacking damage Myth Break  
Lifesteal Eve Serpent, Shiv  
Raw power Shatterglass Sorrowblade  
Burst damage Aftershock Tension  
Attack speed AC Tornado, Break  
Critical   Monocle  
Auto-attack damage AC, Aftershock everything Stormcrown
Cooldown Clockwork, Aftershock Spellsword Stormcrown, Contraption, Nullwave, Halcyon Boots
Slow Frostburn   Shiversteel
Reflex block     Aegis (self/shield)
Crucible (team/HP)
Ability repeat Echo    

Tier 3 items

Crystal power

Item Cost CP Use
AS: Aftershock 2400 +35 cp Basic dmg, atk speed
+basic dmg after ability, +25% cooldown, +2.5 recharge
EoH: Eve of Harvest 2600 +55 cp Lifesteal
+10% lifesteal, +250 energy, +5 recharge
AC: Alternating Current 2800 +60 cp Basic dmg
+basic dmg based on CP, +65% atk speed
BM: Broken Myth 2150 +70 cp Stack dmg
+10% shield pierce, stacking dmg
FB: Frostburn 2600 +100 cp Slow
slow for 1.5s at (10% + 1% per 10CP)
SG: Shatterglass 3000 +150 cp Raw power
-
CW: Clockwork 2500 +30% cp Cooldown
+40% cooldown, +250 energy, +7.5 recharge
Echo 2500?   Ability repeat
+250 energy, +4 recharge

Weapon power

Item Cost WP Other
TT: Tornado Trigger 2600   Atk speed
+75% atk speed, +20% crit change, +20% crit dmg
BS: Bonesaw 2700 +15 wp Armor shred
stacking armor shred
TB: Tension Bow 2300 +45 wp Bonus dmg
bonus dmg every 6s, +8% armor pierce
TM: Tyrant’s Monocle 2750 +50 wp Crit
+40% crit chance, +20% crit dmg
BP: Breaking Point 2600 +55 wp Stacking dmg
stacking weapon dmg, +35% atk speed
SM: Serpent Mask 2800 +85 wp Lifesteal
stacking lifesteal, +10% lifesteal
SB: Sorrowblade 3100 +150 wp Raw power
-
PS: Poisoned Shiv 2250 +30 wp Mortal wounds
mortal wounds for 2s, +10% lifesteal, +30% atk speed
SS: Spellsword ? +90 wp Cooldown
?

Utilities

Item Cost HP Use
Halcyon Chargers 2300 +200 hp 👟 Boots
+15% cooldown, +250 energy, +4 recharge
Stormcrown 2200 +200 hp 🔴 Bonus dmg
+30% cooldown, +4 recharge, bonus true damage
Journey Boots 1900 +250 hp 👟 Boots
damaging heroes resets sprint cooldown
Nullwave Gauntlet (2.0) 2250 +300 hp 😶 Item silence
+25% cooldown
Contraption 2100 +350 hp 👀 Vision
traps/flares, +40% cooldown, +3 recharge
Shiversteel 1450 +500 hp 🐌 Slow
active: slow targets
War Treads 2500 +600 hp 👟 Boots
gives sprint to nearby teammates

Defense

Item Cost HP Armor Shield Use
Aegis 2250   +30 ar +125 sh ✊Reflex block (self)
Fountain of Renewal 2300 +200 hp +30 ar +75 sh ❤ Heal allies
Atlas Pauldron 1900   +85 ar +35 sh 🐌 Slow target attack speed
Metal Jacket 2100   +170 ar +35 sh  
Crucible 1850 +600 hp     ✊ Reflex block (team)
Slumbering Husk (2.0) 1600 +400 hp     Fortification against burst damage

Boots

Item Movement speed HP Sprint Use
War Treads +0.4 +600 hp 2s (60s cooldown)
incl. nearby teammates		 HP, assist
Halcyon Chargers +0.5   3s (50s cooldown) Energy
Journey Boots +0.6 +250 hp 2s (60s cooldown)
damaging resets cooldown		 Gap close

Skill tier names

Just Beginning 1
Getting There 2
Rock Solid 3
Worthy Foe 4
Got Swagger 5
Credible Threat 6
The Hotness 7
Simply Amazing 8
Pinnacle of Awesome 9
Vainglorious 10

See: Skill tier names

References