Here we have Tier lists made by Players that have played the game for a reasonable amount of time to make judgement on the placement of the characters in DRA. Keep in mind that tier lists should be taken with a pinch of salt.

Rookie vs Rookie:

• S (very broken) - Gatomon, Impmon
• A (kinda broken) - Patamon
• B (training hard, you'll become a great fighter) - Agumon, Gabumon, Guilmon, Renamon
• C (can be played) - Terriermon, Veemon
• D (just to represent a space)
• E (poor him) - Wormmon

Evo vs Evo:

• S (very broken) - M.Garuru, Reapermon
• A (kinda broken) - Wargrey, BlackWargrey
• B (training hard, you'll become a great fighter) - Omnimon, Sakuya, Seraphi, Sting
• C (can be played normally) - Duke, Imperial, Imperial PM, Magnadra
• D (can be played with difficulty) - Beelze, MegaGargo

Overall:

• SS (very broken) - M.Garuru, Reaper
• S (kinda broken) - Wargrey, BlackWargrey
• A (clearly viable) - Omnimon, Sakuya, Seraphi, Sting
• B (viable but harder) - Duke, Imperial, Imperial PM, Magnadra
• C (mastering, you'll become a great fighter) - Beelze, MegaGargo, Gato, Imp, Pata, Rena
• D (not so viable against evos) - Agumon, Gabumon, Guilmon
• E (good luck, you'll need it) - Terriermon, Veemon
• F (poor him again, pls someone make justice) -Wormmon