70% Block: A block. 5 hp, 0 atk, 1 def. No attacks.
Drop: 10 gems.

60% HYPERblock: A bluish block. 20 hp, 0 atk, 5 def. No attacks.
Drop: 15 gems.

70% Grigworm: A little worm; slightly domestic. Combust element. 15 hp, 3 atk, 2 def.
Attacks: Grigtackle (atk rate 1)
Drop: 15 gems, IF PLAYER LVL 10+, Sqyrm

30% Fanpaler: A large seed beast with four legs. Leaf element. 20 hp, 4 atk, 1 def. Attacks: Seedslash (atk rate 2)
Drop: 20 gems

Delta Beetle: A smallish beetle sporting a triangular blue shell. Null element. 20 hp, 2 atk, 1 def. Attacks: Delta Roll (atk rate 1) Possess (fuse with any Leaf element monster in the battle and turn into a Gorus Herb)
Drop: 5 gems

60% Gorus Herb: A large tree possessed by a Delta Beetle. Leaf element. 50 hp, 1 atk, 3 def. Attacks: Delta Leaf (atk rate 2)
Drop: 30 gems

You forgot to put in the Delta Beetle's %.