A gallery means you have unlocked all 24 villain cards, ranging from Common opportunists to Legendary architects of doom. Each villain comes with three tiers of sacrifice abilities, a unique "Altar Entry" lore snippet, and a challenge mode skin.
Thanos is the modern poster child for this trope. He doesn't want to rule the universe; he wants it to survive. sacrifice villains gallery full
: You must trigger the specific "anal rehabilitation CG scene" for all three characters to fill those gallery slots. A gallery means you have unlocked all 24
His clan was planning a coup that would have sparked a world war. He doesn't want to rule the universe; he wants it to survive
Save at the start of training scenes (Slot 6) to re-run different choice orders, as some CGs are tied to specific sequences of characters (e.g., Night Charger Bad Lotion Madam Venom vs. a different order) .
Adrian Veidt is perhaps the most successful sacrifice villain in fiction.