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Idle Hero TD - Tower Defense RPGNewsUpdate v16.1 - Runemaster Boss, Master Runes, and Master League PvP

In-game event

Update v16.1 - Runemaster Boss, Master Runes, and Master League PvP

Idle Hero TD - Tower Defense RPG · published 16 Sep 2026, 05:57 UTC · build 25294015

All news Players around this date Read on Steam

New Content:

Runemaster Boss: a new Ultra Boss that is unlocked at wave 45k. Featuring a few new challenging mechanics, killing this boss will reward Master Runes.
Master League PvP Boss: enter this league by killing the boss (2.15b dmg) in any previous league. This league changes to a coop mode, where your entire bracket shares the same reward based on how much total damage you all dealt together. Enjoy new challenging mechanics and better rewards (Mastery Points and Master Runes)!

Changes:

The time spent attacking the PvP Immortal Boss will be used as a tie-breaker when multiple people deal the same damage.

QoL Improvements:

Minor redesign to the Runes menu.
Added your total Automation Upgrade Reduction time to the Stats menu.

Bug Fixes:

Fixed a rare bug where a poor network connection while loading the game could cause a rollback.
Several minor UI fixes.

More from Idle Hero TD - Tower Defense RPG

Other announcements

Game update24 Aug 2026Patch v16.03 - Event and Premium BuffsChanges: · The Damage, Kill Gold, and Skill Power limited-time event bonuses, as well as the Damage and Gold premium purchases in the Store (Combat Bundle), now scale with your highest wave (+100% every 10k waves), ensuring their bonuses remain strong and relevant in the late game. QoL Improvements: · Giftcode bonuses are now correctly displayed in the 'Permanent Rewards' section of the Stats m…Game update10 Aug 2026Patch v16.01 - Automation Balance ImprovementsNew Content: · New Tournament upgrade to reduce Automation upgrade times. Changes: · Reduced Automation upgrade times for the first 5 levels of each Stat Boost upgrade (damage, gold, energy, and exp) to help new players build a decent stack of these functions quicker and earlier. · Reduced the requirements of the Auto Claim Active Play Bonus Function so that the Reward Bonus upgrade is fully at…Game update3 Aug 2026Update v16.0 - Language Localization and Automation ImprovementsNew Content: · You can now play the game in up to 8 different languages (and more are coming soon)! Change your language selection in the Settings menu to experience the game in your native language. · Added new upgrades to almost every Automation Function to increase bonuses, add super procs, improve active play bonuses, increase Prestige Intro Skip, spawn Golden and Supreme Bosses, etc. Chang…