Vulshok Battlemaster — ruling 1

The "enters" effect moves all Equipment onto the Battlemaster, regardless of whether that Equipment was attached to other creatures.

Vulshok Battlemaster — ruling 2

Other players' Equipment is moved onto the Battlemaster as well as your own. This doesn't change who controls the Equipment or who can activate its equip ability to move it onto another creature.

Vulshok Battlemaster — ruling 3

If an Equipment can't equip Vulshok Battlemaster, it isn't attached to the Battlemaster, and it doesn't become unattached (if it's attached to a creature).

Vulshok Battlemaster : règles, fonctionnement et interactions (MTG)

Vulshok Battlemaster is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Haste When this creature enters, attach all Equipment on the battlefield to it. (Control of the Equipment doesn't change.)

How it works : Vulshok Battlemaster

Original English text — Wizards of the Coast / Scryfall

#1December 1, 2004· Wizards of the Coast
The "enters" effect moves all Equipment onto the Battlemaster, regardless of whether that Equipment was attached to other creatures.
No other card is named in this ruling.
#2December 1, 2004· Wizards of the Coast
Other players' Equipment is moved onto the Battlemaster as well as your own. This doesn't change who controls the Equipment or who can activate its equip ability to move it onto another creature.
No other card is named in this ruling.
#3December 1, 2004· Wizards of the Coast
If an Equipment can't equip Vulshok Battlemaster, it isn't attached to the Battlemaster, and it doesn't become unattached (if it's attached to a creature).
No other card is named in this ruling.