Tengu format ruling
Gladiator Beast Secutor

Card effect (current official text)If this card was Special Summoned by the effect of a "Gladiator Beast" monster, then at the end of any Battle Phase in which this card attacked or was attacked: Special Summon 2 "Gladiator Beast" monsters from your Deck, except "Gladiator Beast Secutor".
Rulings
- "Battling" requires this card to be involved in Damage Calculation (If this card's attack is negated, the ② effect can't activate).
- If multiple "Gladiator Beast" effects are activated at the end of the Battle Phase, they don’t go on the same Chain (they each activate, one after another, each on their own Chain).
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.