Earthshaker is a great Support type hero. Though he is a strength type hero, his skills is more applicable to help his allies in ganks. That is why he wanders all time in the game because his skills can trap and blocked ways so heroes without leap and blink ability can escape though invisibility also can. His ultimate can do a massage damage when set properly. He is a great supporter compare to other support heroes and he is hard to be an enemy that is why he is always a choice for ban.
The early game item build for Earthshaker can be the following:
Ironwood Branch – This item grants each attributes for Earthshaker giving him more strength and toughness to survive the early game plus the intelligence for mana support.
Ancient Tango of Essifation – This item helps Kaldr to regenerate when in mid health condition.
Healing Salve – This item helps Kaldr to regenerate more fast whenever he is in a low health condition.
Magic Stick – This helps you to counter spell caster enemy heroes.
Observer Wards – This is a strategic item to spy on your enemies. Supporting heroes just like Earthshaker should do the warding strategy. This should maintain through the whole game.
Clarity Potion – This item helps Earthshaker to regenerate his mana whenever it is in low condition.
Smoke of Deceit – This supportive item helps Earthshaker and his allies to set a clash or gank against his opponents during the early game. This should be maintain through the whole game.
Sentry Wards – This strategic item helps Earthshaker to deward a spying observer ward nearby.
Boots of Speed – This grants Earthshaker movespeed for chasing and escaping.
The mid game item build for Earthshaker can be the following:
Kelen’s Dagger – This can help him to set his ultimate properly and also it helps him to set gank, escape and chase enemies.
Headdress of Rejuvenation – This may help Earthshaker for better health regeneration.
Medallion of Courage – This can do the killing faster because of armor degrading.
Urn of Shadows – This can help Earthshaker to serve himself and his allies in health regeneration. And also can do damage to enemies.
Magic Wand – This helps you to regenerate your mana and health in an instant depending on its charge.
Arcane Boots – This grants Earthshaker and his nearby allies mana whenever its cooldown.
Ancient Janggo of Endurance – This grants Earthshaker and his allies attack speed and movespeed.
The late game item build for Earthshaker can be the following:
Mekansm – This provides Earthshaker and his nearby allies armor and hitpoints.
Khadgar’s Pipe of Insight – This helps allies of Earthshaker and himself to prevent magic for damaging more.
Force Staff – This helps Earthshaker in chasing and escaping.
Eul’s Scepter of Divinity – This grants Kaldr the ability to cyclone enemies and himself for chasing, setting and escaping.
Dagon – This grants Earthshaker an ability to instant kill an enemy.
Aghanim’s Scepter – This improves his ultimate skill reducing its cooldown and improving damage.