Here i will try to list the changes wich is included on the mod for engrams

Tek Tyrannosaurus - spawnable at mountains (the Island) or Lava island (the Center). Very strong and hard boss wich give you the Tek Shirts engrams - Prime and normal. Have chance to drop Tek chestpiece, Bionic Rex Costume and Rex Tek saddle. Can spawn Tek rex minions to help him during the fights, new Jurassic park roar for "call to arms" roar

Tek Raptor - Spawnable at Jungles (the island) and Lava Island (the Center). Unlock Tek Boots and Prime Tek Boots. Strongest version of the Utahraptor, use minnion tek raptors to help him on the fights, use specific Raptor Call of Arms sound from Jurassic park. Chance to give you tek boots and bionic raptor costume

Tek Stego - Spawnable at Redwood Water (The Island) and Grasslands on the Center. Unlock Tek Helmet and Prime Tek Helmet. Can spawn Tek stego minnions. Chance to give you tek helmet and stego bionic costume

Tek Parasaur - Spawnable on the Beach (the Island) and Grassland (on the Center). Unlock Tek Gloves and Prime Tek Gloves. Can spawn tek parasaur minnions. Chance to give Tek Gloves and parasaur bionic costume

Tek Triceratops - Spawn on Titano areas (the Island) and Grassland (the Center). Unlock Tek Pants and Prime Tek Pants. Spawn tek trike minnions. Can give you Tek pants and trike bionic costume