Kael'thas Build Guide “Anar'alah belore!”
Welcome to our guide for Kael'thas, a Ranged Assassin Warrior in Heroes of the Storm. Within these pages, you will find everything required to understand how best to play this hero, in both different map styles and team compositions.
1. Kael'thas' Overview
Kael'thas is a ranged Assassin, with an exceptional overall damage potential. All of his abilities deal AoE damage, severely punishing enemy teams that stand close together. However, Kael'thas is the definition of "glass-cannon"; his low maximum health and total lack of mobility leave him completely exposed to enemy assassins and bruisers.
Kael'thas' Trait mechanic, Verdant Spheres, allows him to improve the effectiveness of one Basic Ability at a time. It is important for players to decide which ability should be empowered and when, as every situation is incredibly different and will need to be approached accordingly. Try to not waste Verdant Spheres on an ability simply because it was available, as Kael'thas may immediately find himself in a dire situation without it.
2. Kael'thas' Strengths and Weaknesses
- Has extremely low mobility and survivability
- Requires close attention to positioning
- Completely Mana dependant
- Has difficulty self-peeling enemy Heroes; consistantly requires allies' assistance
3. Kael'thas' Talent Build Cheatsheet
Flamestrike BuildTalent calculator »
The Flamestrike Build focuses on bolstering the damage output and utility of Flamestrike, providing Kael'thas with even stronger AoE damage. It is important for Kael'thas to try to complete the quest portion of Convection as early as possible, as the reward will grant a massive power spike to Flamestrike. Enemy teams will often try to focus Kael'thas down before he is able to finish his Convection quest, so be sure to play cautiously until it is completed. Empowering Flamestrike with Verdant Spheres will make it much easier for players to strike multiple enemy Heroes, making great use of both Burned Flesh and Flamethrower.
Living Bombs BuildTalent calculator »
The Living Bombs Build is an effective alternative to the Flamestrike Build, primarily when Kael'thas may find himself having a hard time landing casts of Flamestrike on his targets. The "targeted" component to Living Bombs makes it much easier to guarantee damage, especially against teams with multiple highly mobile targets that are difficult to hit with Flamestrike. Kael'thas will need to play cautiously with a strong awareness of his positioning since the cast range of Living Bombs is somewhat limited. Try to cast Living Bombs on targets of high priority (when possible), but do not be afraid to cast in onto the enemy frontline as, many times, they may carry the explosion back into their own team, further spreading the bombs.
4. Kael'thas' Synergies and Counters
Kael'thas requires allies who are going to be able to provide him good peel and sustain when he is targeted in team fights. A solid frontline with ample crowd-control will help keep enemies at bay, while supports who can provide a source of Health or damage mitigation can keep him from being immediately picked off.
5. Kael'thas' Maps
Kael'thas' high AoE and team fight damage cause him to be an incredibly effective pick on smaller maps where fights and skirmishes break out often. His strong waveclear also makes him a valuable pick on maps where quickly killing large amounts of low health targets is vital, such as on Tomb of the Spider Queen, Braxis Holdout, and Infernal Shrines. Kael'thas also favors maps with many narrow pathways and chokepoints. These passages force enemies close to one another and susceptible to Kael'thas' team-wide damage. Try to steer clear of large Battlegrounds with multiple objective locations as this may allow Kael'thas to be isolated and picked off while his team is split-up accross the map.
6. Kael'thas' Tips and Tricks
- Since Kael'thas lacks any type of mobility, positioning is extremely important. Once an enemy Hero is attacking him, he must rely on his allies to assist him. Protect Kael'thas by being proactive and keeping a distance.
- Verdant Spheres should be used with Flamestrike when Kael'thas needs waveclear.
- Gravity Lapse should only be empowered with Verdant Spheres to catch an enemy Hero hiding behind a minion or to stun multiple enemy Heroes.
- Phoenix can be used to zone enemy Heroes, kill Mercenaries, clear Minion waves, and to siege or defend Forts and Keeps. Its relatively low cooldown encourages Kael'thas to use it liberally.
- Channel Pyroblast behind walls or Kael'thas' frontline. Try to use it proactively and early in fights, rather than saving it to finish enemies off.
- Gravity Lapse is difficult to hit. Take the time needed to land it, as Kael'thas is defenseless if it misses the desired target(s).
7. Role in the Current Meta
Kael'thas' sheer amount of damage makes him a good choice for most team compositions, although his complete lack of mobility requires his team to have a solid frontline and good peeling. Otherwise, Heroes, like Zeratul and Tyrael, will kill him immediately in every team fight. Kael'thas is exceptionally good at contesting map objectives and fighting in choke points, as all of his abilities deal AoE damage. Additionally, Phoenix can be used either to deal damage or discourage movement past the affected area, effectively zoning entire teams from objectives.
While decent during the early game, Kael'thas only really begins to shine once he is able to utilize his Talent selections to deal significantly more damage. Kael'thas should stay as far back as possible and poke with Living Bomb, Flamestrike, and Basic Attacks. Using Living Bomb in the middle of team fights can absolutely decimate the enemy team. Also remember to keep an eye out for the position of enemy Heroes who will attempt to flank Kael'thas. During the late-game, Kael'thas should rarely (if ever) be left alone. This holds true especially against enemy teams that have a highly mobile assassin who will be able to capitalize on Kael'thas' isolated position.
- 14 May 2018 (this page): Guide updated in accordance with the May 9th Balance Update.
- 24 Mar. 2017 (this page): Moved guide to new format.
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