Playing a Necromancer summoner build in Diablo 2 can be a lot of fun and provide a unique playstyle. The Necromancer class has the ability to summon minions to fight for them. Here's a complete guide for D2R Necromancer summoner build.

Attribute Points:

• Put most points into Energy for increased mana pool.

• Put some points into Dexterity for equipment requirements and evasion.

• Put a few points into Strength and Vitality for survivability.

Skills:

• Raise Skeleton: Your primary summoning skill. Put 20 points into this skill.

• Golem Mastery: Summons a powerful golem to fight for you. Put 20 points into this skill.

• Summon Resist: Improves the resistance of your summons to elemental damage. Put 20 points into this skill.

• Amplify Damage: A curse that increases damage dealt to a target. Put 20 points into this skill.

• Decrepify: A curse that slows down enemies and reduces their damage dealt. Put 20 points into this skill.

• Optional: Put additional points into skills such as Bone Spirit or Teeth for additional damage.

Equipment:

Look for equipment that increases your mana pool, summon damage, and resistance to curses.

Good unique D2R items for this build include the Occulus, Homunculus, and Bonehew.

This is just a sample build, and you can adjust it to fit your playstyle. The most important aspect of a Necromancer summoner is to have a large army of minions to fight for you while you stay back and cast curses to debuff enemies.

Gameplay

As a Diablo 2 Necromancer summoner build, your gameplay would revolve around summoning minions to do the fighting for you while you control the battlefield with curses and other spells. Here are some tips to help you get started:

• Summoning Minions: Your main source of damage will come from your minions. Summon as many as you can and keep an eye on their health, resummoning them as needed. Use Golem Mastery to summon a powerful golem to tank for you.

• Curses: Use curses such as Amplify Damage and Decrepify to debuff enemies and increase your minions' damage output. Cast these curses on large groups of enemies for maximum effect.

• Positioning: Stay back from the fight and let your minions do the work. Use terrain to your advantage, positioning yourself on higher ground where enemies have trouble reaching you.

• Itemization: Look for equipment that increases your mana pool and summon damage, as well as items that boost your resistance to curses. Consider using unique items such as the Occulus, Homunculus, and Bonehew.

• Managing Skills: Keep an eye on your mana pool and make sure to use your skills wisely. You may need to resummon your minions frequently, so make sure you have enough mana for that.

These are just some general tips for playing a Diablo 2 Necromancer summoner build. Remember, this is just a sample build and you can adjust it to fit your playstyle. The most important thing is to have fun and experiment with different skills and equipment to see what works best for you.