New to drukhari.

I just got the drukhari start collecting box for Christmas. What should I buy next to build up my army. I would be facing orks deathwatch death guard Tau ad mech ig and grey knights inn my area

It depens what you are into really. If you like fluffy lists. Then go for what you think is cool within the factions (kabals, wyches og coven) However if you want to be competative. Then the meta is:

++ Battalion Detachment +5CP (Aeldari - Drukhari) [73 PL, 1177pts] ++

+ No Force Org Slot +

Detachment Attribute: Prophets of Flesh

+ HQ +

Haemonculus [5 PL, 70pts]: Haemonculus tools, Splinter Pistol

Urien Rakarth [5 PL, 90pts]

+ Troops +

Wracks [3 PL, 45pts]
. Acothyst: Haemonculus tools
. 4x Wracks

Wracks [3 PL, 45pts]
. Acothyst: Haemonculus tools
. 4x Wracks

Wracks [3 PL, 45pts]
. Acothyst: Haemonculus tools
. 4x Wracks

+ Heavy Support +

Talos [18 PL, 294pts]
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster

Talos [18 PL, 294pts]
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster

Talos [18 PL, 294pts]
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster
. Talos: Chain-Flails, Macro-Scalpel
. . Two Haywire Blasters: 2x Haywire blaster

++ Spearhead Detachment +1CP (Aeldari - Drukhari) [25 PL, 447pts] ++

+ No Force Org Slot +

Detachment Attribute: Kabal of the Black Heart

+ HQ +

Archon [4 PL, 72pts]: Labyrinthine Cunning, Splinter pistol, Venom Blade, Warlord (Archon)

+ Heavy Support +

Ravager [7 PL, 125pts]: Disintegrator cannon, Disintegrator cannon, Disintegrator cannon

Ravager [7 PL, 125pts]: Disintegrator cannon, Disintegrator cannon, Disintegrator cannon

Ravager [7 PL, 125pts]: Disintegrator cannon, Disintegrator cannon, Disintegrator cannon

[b]++ Total: [98 PL, 1624pts]

Then fill the rest with grots and/or razorwings

This is the meta for us atm and its STRONG however other Things work too its just no Where near as powerful