Since this ability isn't the same as Invulnerability, the user can only take so much damage before it finally takes an effect. At best, the user will only be stunned by damage that would usually kill ordinary people.
A (Naruto) is virtually immune to attacks while wearing his Raiton no Yayoi.
The Third Raikage (Naruto) is virtually immune to any attacks while using his Lighting Armor.
Kakuzu (Naruto) can endure physical attacks while using Earth Release: Earth Spear .
Monkey D. Luffy (One Piece) is extremely hard to injure due to his elastic nature...
...and after the time skip, he learned how to use Busoshoku: Koka, further enhancing his body to have the durability that rivals or surpasses steel.
Rorona Zoro's (One Piece) durability is one of his greatest feature.
Rob Lucci (One Piece) is very durable, mainly thanks to Tekkai.
The One Being Sought (Code: Breaker) can take a slash and being burned at the chest and did not even flinch.
Skin Bolic's (D.Gray Man) solidified lightning skin can take tremendous amounts of damage.
Jasdevi can harden his body as he desires.
Skull protecting Enma (Katekyo Hitman Reborn!)
Ichigo Kurosaki (Bleach) is immensely resilient to damage, and further training greatly increase this, along with his Tensa Zangetsu further boosting it.
Chad (Bleach) is unnaturally resistant to damage.
When Zangetsu fired a second Getsuga Tenshō at Ichigo, his inner Hollow (Bleach), taking control, emerged from the destroyed wall with no visible damage.
In addition to his resilience, Yamamoto (Bleach) has shown remarkable durability.
Starrk (Bleach) has proven himself to be highly resistant to both pain and injury.
Suì-Fēng (Bleach) is highly durable, able to withstand being kicked into buildings with enough force to go through walls and bring whole sections down on top of her while sustaining no apparent injuries.
Renji Abarai (Bleach) is a very durable fighter, as is his Bankai, Hihio Zabimaru.
Baraggan Lousenbairn's (Bleach) Resurrección grants him tremendously resilient Hierro, allowing him to survive Suì-Fēng's Jakuhō Raikōben's massive explosion at point blank range.
Nnoitra Gilga (Bleach) using Hierro to pressurize his spiritual energy onto his skin, turning it iron hard.
When Love (Bleach) was brutally attacked by a Hollowfied Kensei, with a spiritually charged attack at point blank range, Love sustained only minor injuries and kept on fighting with no signs of faltering.
Daz Bones/Mr.1 (One Piece) is tough to injure due to eating the Dice-Dice no Mi, making his body hard as steel.
Diamond Jozu (One Piece) is tough as his moniker suggests, withstanding even the strongest slash in the world without any injure.
Matsuru can withstand more than two god-like powerful attacks of Thor and Hercules without losing consciousness
Kouga’s (Marchen Awakens Romance) magical power control is no better than that of a Bishop-class. However, he became a Knight because his unusual toughness makes him take very little damage from powerful attacks.
Larcade (Fairy Tail) is capable of stopping a full powered swing from Kagura with just two fingers.