| Big Core MK-III |
|Romaji||Biggu Koa Māku Surī|
|Type(s)||[ Machine/Synchro/Effect ]|
|ATK / DEF||2800 / 2100|
Lore1 Machine Tuner + 2+ Machine monsters
(This card is always treated as a "B.E.S." card.)
If this card is ed: Place 6 s on this card (max. 6). Cannot be destroyed by battle. At the end of the Damage Step, if this card battled: Remove 1 counter from this card. If you cannot, destroy it. If this card would be destroyed by a card effect, except its own, you can remove 2 counters from it instead. Once while face-up on the field, if this card would be destroyed by its own effect, you can pay 1500 LP instead, and if you do, its loses ATK/DEF equal to half its original ATK/DEF, also place 3 counters on it.