Once you've selected your primary totem skill, the next step is to choose the appropriate support gems. Support gems can significantly enhance the effectiveness of your totems, providing bonuses to damage, attack speed, area of Path of exile currency effect, and more. Some common support gems for totem builds include:

Multiple Totems Support: Allows you to summon additional totems, increasing your damage output.
Elemental Damage with Attacks Support: Increases the elemental damage dealt by your totems' attacks.
Increased Area of Effect Support: Increases the area of effect of your totems' attacks or spells.
Controlled Destruction Support: Increases the spell damage of your totems at the cost of reduced critical strike chance.
In addition to selecting the right support gems, it's important to optimize your passive skill tree for a totem build. The passive skill tree offers numerous nodes that enhance totem mechanics, damage, and survivability. Some key nodes to consider include:

Totemic Zeal: Increases totem placement speed and totem life.
Ancestral Bond: Allows you to summon an additional totem but prevents you from dealing direct damage.
Totemic Mastery: Increases totem damage, placement speed, and life.
Ironwood: Provides bonuses to POE exalted orbs totem placement speed, totem life, and physical damage reduction.