A core item that lets you activate {black-king-bar} and Berserker's Call twice in fights, locking down enemies for longer without being disrupted.
A core item that can win you the teamfight and the game with double Echo Slam. Works incredibly well in combination with {blink-dagger} and {aghanims-scepter}.
A core item primarily for another Requiem of Souls and a second {black-king-bar} charge. Has great synergy with {yasha-and-kaya} to quickly cast your ultimate twice.
A core item to have double Eye of the Storm in fights to significantly increasing your damage output. You can use the second ultimate while the first is running as they do their damage and armor reduction separately. Also gives you another round of Static Link to have maximum right click damage output.
A core item to have a second round of all your high damage nukes. Particularly useful to have two Thundergod's Wrath and Nimbus to do massive global damage to enemy heroes.
A core item that lets you get off your massive AoE damage and control spell combo a second time. Be careful about your mana pool when casting your spells a second time with {refresher-orb}.
A late game pick up that lets you instantly delete any hero on the map with double Laguna Blade upgraded with {aghanims-scepter}.
A core item that makes you extremely potent in teamfights with double Chain Frost. Be careful about your mana pool when you are looking to cast your ultimate twice with Refresher.
A core item that can win you the teamfight or take the enemy throne with double Mass Serpent Wards. Most effective with the level 25 Ward talent.
A core item that can win you the teamfight and the game with double Ravage. Be careful about your mana pool when you are looking to cast your ultimate twice with Refresher.
A core item that can win you the teamfight and the game with double {black-king-bar}->Black Hole.
A core item that makes you extremely potent in teamfights with double Chaotic Offering. Be careful about your mana pool when you are looking to cast your ultimate twice with Refresher.
A late game pick up primarily for a second Primal Roar in teamfights and possibly delete two enemy heroes with a long lasting stun.
A late game pick up that lets you do massive damage all over the map with double Wrath of Nature. Lets you push out practically all creep waves and works well with {aghanims-scepter} to chain root enemy heroes.
A late game pick up primarily for a double Vacuum and Wall of Replica combo in teamfights.
A late game pick up primarily for a second round of Guardian Angel and Repel. Has great synergy with {aghanims-scepter} to apply your ultimate to buildings and effectively have another glyph for them. Also lets you keep your allies safe from physical damage and disables even longer.
A late game pick up to have a second round of all your spells and items for a massive increase in damage and control in teamfights. Gives you the potential to burst down any hero from full to zero in an instant.
A late game pick to have two rounds of your devastating spell combo and do massive damage in teamfights. Particularly useful with the Exort {aghanims-scepter} to cast Cataclysm and massive Meteors twice. Also has great synergy with the level 25 radial Defeaning Blast talent.
A core item that can win you the teamfight with double Global Silence. Works well to counter high impact AoE control spells on the enemy team, like Black Hole.
A core item to have two Primal Splits and maintain your impact on the map.
A core item that will let you use your ultimate a second time. Since the first time might not be enough as most heroes have a way of dispelling it, being able to use it twice could lead to winning a teamfight.
A core item that can win you the teamfight and the game with double Static Storm. Works incredibly well in combination with {aghanims-scepter} and {blink-dagger}.
A late game pick up primarily to have a second Will-o-Wisp in fights. If you did not buy {aghanims-scepter}, you can skip this item and get {ethereal-blade} or {wind-waker} instead.
A core item that can win you the teamfight and the game with double Reverse Polarity. Be careful about your mana pool when you are looking to cast your ultimate twice with Refresher Orb.
A core item that can win you the teamfight and the game with double Supernova.
A late game item that makes you extremely potent in teamfights with double Winter's Curse. Be careful about your mana pool when you are looking to cast your ultimate twice with Refresher.
A late game pick up that gives you a second round of Mortimer Kisses to do massive AoE damage from long range.
A mid to late game pick up primarily for another round of Solar Guardian to have even more damage and control in teamfights while healing your allies. Be mindful of your mana pool when casting your ultimate twice with Refresher.