Archnemesis Eschatos
LIGHT/Dragon
Special Summon/Effect
Level 11
3000/2500
Cannot be Normal Summoned/Set.
Must first be Special Summoned (from your hand) by banishing 3 monsters with different Types that are face-up on your field or in your GY.
You can use the (2)nd effect with this card’s name only once per turn.
(1) This card on the field cannot be destroyed by card effects.
(2) You can declare 1 Monster Type from among monsters on the field; destroy all monsters of that Type on the field, also neither player can Special Summon monsters of that Type until the end of the next turn.

Source.