Your main way to push lanes, deal damage and destroy foes, it must be maxed first as it is your biggest damage-dealer after your ultimate. Use this to further your Fiery Soul attack/movement speed

A small casting delay when casting this medium-sized AOE stun. This is your opener: 0. If you bought Eul's, use it to time your stun after 1. Cast Light Strike Array onto an enemy 2. Dragon Slave immediately after 3. Laguna Blade to finish them off. 4. Fiery Soul stacks will let you auto-attack them to death. If you're vs. a melee in the mid-lane, get a point is LSA to ensure you can stun + harass the foe.

Traditionally you pick up one in Fiery Soul before level 6 for its movement speed bonus after several spells are casted. Fiery Soul really kicks in in the late-game when you transition into a damage-dealer to help finish fights fast. Spam your spells, finish with Fiery Soul's attack speed. Spam a spell to keep your max stacks up even if no enemies are nearby.

Straight damage. Opponents are able to dodge this spell if they time their abilities right, so don't hesitate to cast it when the opportunity opens before they flee and you end up being on cooldown.

Lina is desperate for maneuverability. This is why her starting items are rather low so she can get her Boots of Speed much, much faster.

Aether Lens upgrades the damage of your abilities and items making Lina an even stronger long-range killer. Aether Lens can keep Lina in the back, stacking up attack speed through her passive and amplifying her magic damage at a comfortable range.

Extend the duration of Light Strike Array or time it even better with Eul's Cyclone. Extra movement speed also helps with Lina's lack of maneuverability and it will negate any mana you might need during ganks with its great regeneration.

Pick up a Blink Dagger to better initiate on your opponents with Light Strike Array. Blink Dagger is ultimately the best item for Lina as it discards all fears of her lack of maneuverability. Blink Dagger lets you set up Light Strike Array easily as opposed to coordinating with allies to ensure it.

For heroes that rely on physical damage like Juggernaut (and Omnislash), Clinkz and Riki, Ghost Scepter can be a cheap option to delay their ganks and make them waste their abilities that do no damage.

Aeon Disk helps you get out of a jam where you are constantly being chain-stunned or destroyed by abilities like Faceless Void's ultimate or PA's massive critical strikes.

After you disassemble your Arcane Boots to make Aether Lens, build into Boots of Travel to remove any issues with positioning.

Getting constantly disrupted or pinned down before you can do everything you want? Black King Bar is definitely your go-to item, especially later in the game when you need your attack-speed to come through for your team's damage-output.

Aghanim's Scepter is important for Lina who relies on her burst damage to wittle down enemies and then follow-up with her stuns and Fiery Soul stacked attack speed. Aghanim's Scepter also piercing magic-immune enemies, making this ideal for Lina who relies on her burst damage to win fights.

Hurricane Pike will allow you to initiate with your abilities and then abuse Hurricane Pike to distance yourself from the enenmy as you auto-attack them from a distance with your Fiery Soul speed.

With the amount of attack speed you'll get from Fiery Soul, the likelihood of Chain Lightning occurring are quite high, allowing you to farm fast and tear down teams in fights impressively quickly.

Bloodstone is an item in which you need to snowball with. Farm hard for this item and be active with your ultimate only. Once obtained, start actively looking for ganks and kills to add stacks to your Bloodstone, sustaining your mana regeneration and allowing you spam your low-cooldown spells non-stop.

Use Silver Edge to close the gap on ganking foes so you can follow-up with your combination of spells.

Ethereal Blade has a two-part value. One: it can save an ally or disable an enemy and increase your magici input. Secondly, Ethereal Blade gives you more attack speed to combine with Fiery Soul.

Pick up a Blink to better initiate on your opponents with Light Strike Array. Blink Dagger is ultimately the best item for Lina as it discards all fears of her lack of maneuverability. Blink lets you set up Light Strike Array easily as opposed to coordinating with allies to ensure it.