Dark Seer-Ultimate support hero

Dark Seer is a ultimate support hero, especially support Nerubian weaver, juggernaut or Axe, by casting skill number two on the hero.

Axe (Mogul Khan)

Complete Item
1-2xVanguard
130% block 40 damages, that's mean all creep attack you will block by vanguard.
2-Shiva Guard
Increase the defense and prevent opponent to running away when activate the freeze effect.
3-Black king bar
Immune to magic important for you to pursue opponent
4-Boot of travers
Increase the movement speed to pursue opponent.
5-Kelen dagger (Blink)
Blink to centre of enemy and activate berserk.

Nerubian Weaver top partner

Dark Seer is nerubian's top partner. Learn skill number one for one level which will summonded the invisible unit, then the dark seer cast the skill number two on nerubian weaver summonded unit. Then click it to follow the opponent's hero to damage the opponent's hero.

Nerubian Weaver

Complete item
1-Eye of Skardi
Well, since the skill number three is limit for the orb effect only. Eye of skardi is only buff placer when used by range hero, so, weaver can buy eye of skardi in order to slow the opponent.
2-Radiance
Haha, i think i no need to mention it, all expert play nerubian weaver will buy radiance in order to burn the opponent hero.
3-Buriza-do Kyanon (Critical Strike) or Monkey King Bar
If you havent try it, try it. Because when it became the critical strike at the time it attack two times (skill number three), it will inflict two times of critical damage, same with the bonus damage or stopping spell casting effect by monkey king bar.
4- Butterfly
Butterfly increase the damage for 60, agility30, which then increase the attack speed 30%, evasion 30% and 4.2 for armor
5-Black king bar
Immune to spell is very important to prevent opponent stun the hero and escape
6-Power thread
For agility or strength hero, mostly i will consider to buy power thread rather than boot of travers