Rodin (Weapon)

Rodin is the name of a weapon once used by Father Rodin, The Infinite One, the second most powerful of the Angels of Paradiso to rule over a huge portion of Paradiso. After being casted down to Inferno by the Four Cardinal Virtues and escaping to the World of Chaos, he gave the weapon to Bayonetta after she prooved her might to him. The weapon can channel the power of every angelic and demonic weapons given Rodin's nature as the eternal blacksmith. The weapon manifest itself as four hallos. In Bayonetta, those four hallos are all golden to symbolise the fact that it can only turn into angelic weapons in this game. In Bayonetta 2, two of those hallos are golden and two are red to symbolise the fact that it can turn into both angelic and demonic weapons.

Bayonetta
"A mysterious bracelet once used by the fallen angel Rodin in holding dominion over a portion of Paradiso. Depending on the power of its user, the bracelet can take on many different forms."

Bayonetta 2
"Mysterious bracelets once used by the fallen angel Rodin in holding dominion over a portion of Paradiso. Depending on the power of its user, these bracelets can take on many different forms."

Bayonetta
To unlock the Rodin fight, you must collect 10 million halos in total throughout the game. This total counts the number of halos throughout the entire game, including the ones spent, so they do not have be collected all at once. After this has been achieved, the game's secret and most powerful boss, Father Rodin can be fought by buying the Platinum Ticket for 999,999 Halos at The Gates of Hell under the Rodin's Treasures section. Defeating him with earns you the weapon as a reward.

Alternatively, in Chapter 2, after Verse 3 onward on any difficulty, walk around the plaza from Verse 3 outside of combat and stand in front of left telephone by the stairs and input: Up, Up, Up, Up, Down, Down, Down, Down, Left, Right, Left, Right and L.

Bayonetta 2
The Rodin fight, in the second game, is unlocked in a similar manner to the first. After buying the Platinum Ticket for 9,999,999 Halos at the Gates of Hell. Successfully defeating Rodin will unlock the weapon.

Alternativley, one can purchase them at a secret door in Chapter 1 (when you enter the Church area, there is a door to the right) by tapping the secret door on the touch screen 3 times and entering a code [Up, Down, Up, Right, Left, X, B, Y, A] to trigger a pop-up that will allow you to purchase them for 5 million halos.