It contains a 4-Mbit EPROM instead of 4x1-Mbits EPROMs on the original B-Board 89625B-1.
Here is a list of features found in these new revisions:
A weaver effect of character sprites at the beginning of characters selection screen.
A different sound effect is used when a character gains a level-up, enters a stage or rises again.
More difficult (more enemies).
Enemies appearance is very different from the early 'World revision' of the game (July 1991).
Cleric is less powerful than in the early 'World revision'. It starts with 40 Health Point instead of 48.
The first extra live is at 200k points instead of 100k.
Time runs faster when the 'GO cursor' is flashing.
Count down of time starts from 30 seconds when a life is lost. This happens every time a character is killed by enemies while remaining time is less than 30 seconds.
Fruit restores only 12 Health Point (banana 10 Health Point, big red apple 24) instead of 16 in the early 'World revision'.
A dead Boss restores only 12 Health Point instead of 16 in the early 'World revision'.
Magic attacks and magic crystals destroy directly enemies flying objects (so you get more experience points). These are wolves archers arrows, skeletons lances and knights archers arrows.
Mimic Chests release a pool of acid after breaking them.
New enemies like green lizard spearmen and dark red lizard swordsmen.
Player doesn't gain the extra strawberry after the killing of the Orc King (the Boss of the first stage).
The gait of the Wyvern (the Boss of the third and of the fourteenth stage) is different; it has also only triple fireball/iceball attacks.
Back attacks of the Hydra (the Boss of the fourth stage) are more powerful.
Additional green apple no more available on the five stage.
Frontal punch attack of the Cyclops (the Boss of the sixth and fifteenth stage) is faster than in the early 'World revision'.
New different background music in the last duel with evil red dragon Gildiss.
A new Gildiss attack : an animated breath of flame after he changes the direction he's facing during the battle.
Added a new credit sequence with Gildiss and beauty fairy.