My calculations on HST MC's Strength
Name: Monkey D. Luffy
Origin: One Piece
Destructive Capability: Multi-large building to city level (Gear III can break several buildings in like one-two punches/kicks)
Range: Across an Island easily, possibly higher
Speed: Massively Supersonic with regular body, Massively Hypersonic with Gear II, Above peak human with Gear 3'
Name: Ichigo Kurosaki
Destructive Capability: Multi-mountain+ (Dangai Ichigo's slashes alone were destroying mountainary structures), Large City+, Multi Large City+ (Mugetsu)
Range: Across an Island via scaling
Speed: Hypersonic with Fat Zangetsu, Massively Hypersonic+ with tensa zangetsu
Name: Naruto Uzumaki
Destructive Capability: In base multi-city block+, in SM at least multi-building, KCM is multi-large building to town level, BM is large city++, possibly multi-large city
Range: Across a country via scaling, via feats Island level.
Speed: Supersonic in base, Hypersonic+ in SM, Massively Hypersonic in KCM, Massively Hypersonic++, sub relativistic via quotes and feats (Instantly cleared a field of like 20 mountains, one panel)