Maybe its particularly good as a colorless go-wide theme (note, you also get to manifest, giving yourself two 5/4s and drawing to replace them), but I just think that the rest of the titans are much more impactful
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It also gains ATK for each Forbidden One monster in the Graveyard, but it must fetch one of them back into the hand during each of the player's End Phases
The Red Terror also likes when numbers go up
You can Ritual Summon this card with any "Nekroz" Ritual Spell
And it has since become an iconic image among collectors and fans alike