It sounds like you’re describing a new preset pack for Serum called Serum Techno Control. This pack seems to offer a comprehensive range of sounds tailored for techno and related genres. Here’s a summary of what it includes:

Serum Techno Control Preset Pack

Product Details:

• 100 Serum Presets:
  • 20 Basslines
  • 24 Leadsounds
  • 18 Drums & Percussion
  • 5 Stabsynths
  • 15 Pads
  • 8 Atmos
  • 8 Arpeggiator Synths
  • 2 FX Sounds

Features:

• Diverse Sound Selection: From arpeggios to basslines, leads, percussion, and more.
• Versatile Use: Designed for creating techno and related genres with ease.
• Fast Workflow: Enables efficient and purposeful track creation.