Grave damage or Improved damage with dead 3* heroes on 4* teams
==3* Hero on a 4* team==
If you are fighting a titan with a rainbow 4* hero team, you can increase your shield/ matching/ tile damage by replacing a weak color 4* hero, or a neutral color hero, with a strong color 3* hero.
Against a yellow titan, replacing a 4* yellow hero ( weak against yellow ), with a 3* purple hero ( strong against yellow ).
Against a yellow titan, keeping your 4* purple healer ( strong against yellow ) and replacing your second 4* green healer ( neutral against yellow ) with a 3* purple hero.
==4* Hero on a 5* team==
This also works with 5* weak colored heroes, or a neutral color hero, with a 4* strong color hero.
Placing a 4* hero on a 5* team usually okay, because the stats are similar ( Note 1 ).
But placing a 3* hero on a 4* team usually ends with a dead 3* hero because the stats are so far apart ( see also Note 1 ).
While the DEAD 3* hero cannot use its special skill, its attack stat still helps with match 3 damage/ shield damage/ physical damage ( Note 2 ). If the 3* hero is going to die anyways, using one with a high attack stat will give your matching color 4* hero the biggest boost. Normally I use defensive troops for my squishy 4* heroes ( example: Wu Kong, Scarlett, etc. ) but for “grave damage” I match the squishy 3* hero with a high attack boosting troop further increasing the match 3 damage/ shield damage/ physical damage even after it is DEAD.
==List of 3* Heroes with high attack stats==
Green- Berden 470 or Carver 464 or Friar Tuck 458 or Isshtak 453
Yellow- Dawa 488 or Bane 469 or Gan Ju 467
Top Blue- Ulmer 528
Other Blue- Karil 484 or Valen 479 or Graymane 467
Top Purple- Renfeld 488 or Balthazar 483
Other Purple- Oberon 422 or Prisca 413
Red- Nashgar 514 or Jahangir 498 or Azar 493
Note 1 )
Note 2 )
Examining match 3 damage/ shield damage/ physical damage