Steel Fighters Boss Slayer Title
The Steel Fighters Boss Slayer title gives +9% Arena Damage in the Roblox robot game. You unlock it when you beat 100 bosses. Its buff is number 6 of 6 among the 6 Arena Damage titles, which puts it in D tier on our title ranking.
Boss Slayer at a glance
| Requirement | Beat 100 bosses |
| Buff | +9% Arena Damage |
| Stat | Arena Damage |
| Buff tier | D tier (4-9%) |
| Rank for its stat | 6 of 6 |
Steel Fighters Boss Slayer title vs other Arena Damage titles
6 titles boost Arena Damage. From biggest to smallest: Unstoppable +27%, Steel Champion +22%, Engineer +18%, Fusion Master +18%, Gladiator +14%, Boss Slayer +9%. Arena Damage helps you clear arena floors and bosses faster. A code also adds +10% Arena Damage for good, and the Arena Frenzy event boosts boss rewards.
How to get the Boss Slayer title
Boss Slayer counts boss kills. Bosses appear on arena floors and as the Junkyard Titan and Space Titan; which of them count toward the 100 is not confirmed.
Is the Boss Slayer title worth it?
It is the weakest Arena Damage title. Gladiator (+14%), Engineer and Fusion Master (+18% each) give more damage.
Read next: Steel Fighters tier list, Steel Fighters bosses, Steel Fighters codes, Steel Fighters floors, Steel Fighters events and all Steel Fighters titles.
Steel Fighters Boss Slayer title FAQ
How do you get the Boss Slayer title in Steel Fighters?
Beat 100 bosses. The title list does not mention any other requirement.
What does the Boss Slayer title do?
It gives +9% Arena Damage while you have it.
Do Steel Fighters titles stack?
No reliable source confirms whether title buffs stack or whether only one title can be equipped at a time. The title list we use was published on October 21, 2026, before Update 1.