As you explore the world ofWuthering Waves, you’ll slowly make your Resonators stronger by upgrading their weapons, skills, Echoes, and Ascension levels. The more resources you pour into your team, the stronger they’ll get, and the higher you’ll be able to climb in difficult content like the Tower of Adversity.

If you’re lucky enough to have Yinlin, one of the strongest support DPS Resonators in the game, you’ll likewise want to spend the time and resources necessary to fully Ascend her. This process will require you to get your hands on Group Abomination Tacet Cores. We’ll take a look at everything you need to know about gathering this material below.

Wuthering Waves Yinlin Cool Resonance Liberation Pose

How To Get Group Abomination Tacet Cores

Group Abomination Tacet Cores only drop from one source: theMech Abominationworld boss.

This boss is found in theCourt of Savantae Ruinsin theWhining Aix’s Mireregion to the south of the Huanglong region. Once you make your way here, drop down the hole in the ruined building to enter the Mech Abomination’s arena.

This boss useshigh-damage sweeping attackswith its Electro-infused gauntlets. Luckily, its attacks are fairly easy to avoid thanks to theirlarge wind-up and recovery windows.

After you defeat the Mech Abomination, you may spend60 Waveplatesto obtain its rewards. As yourSOL3 rank increases, so will thenumber of Group Abomination Tacet Coresyou’ll get when claiming rewards from this boss.

All world bosses, like the Mech Abomination, willrefresh in around one minuteafter you defeat them, so you can almost instantly challenge it again after you defeat it.

What Are Group Abomination Tacet Cores Used For?

Group Abomination Tacet Cores are used each time youAscend Yinlin. This Electro Resonator needsatotal of 46 Group Abomination Tacet Cores, so you’ll have to defeat the Mech Abomination quite a few times to get enough.