The useful question is not who is stronger. It is how the same story-world makes two different identities legible.
YPS gap1
Layer gap2
AuthorityvsPhysical
Analysis
YPS-3Authority
Authority layer supersedes Physical - Echidna leads by world influence
YPS-4Physical
World Influence
20vs13
Different power types make direct strength comparison misleading. What matters here is the character identity gap: what each existence does to the world, not who hits harder. Roswaal L. Mathers's DNA tells a broader story: their narrative is built around constant growth arc / moral cost they'll pay. Echidna's identity is more narrowly defined by comparison.
Echidna
Domain edges
Roswaal L. Mathers
Combat
destructive output
Systemic
influence / control
Narrative
luck / story weight
Derived from DNA / bars show relative edge, not absolute power