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.

S+: Seraphimon S: Beelzemon, Magnadramon, Sakuyamon, Stingmon, Gatomon, Terriermon, Patamon A: Reapermon, Blackwargreymon, Omnimon, Imperialdramon PM, Imperialdramon, Metalgarurumon, Wargreymon, Gallantmon, Renamon, Agumon, Impmon, Veemon B: Megagargomon, Guilmon, Wormmon, Gabumon

S+: Metalgarurumon S: Seraphimon, Beelzemon, Magnadramon, Sakuyamon, Stingmon A+: Imperialdramon, Imperialdramon Paladin Mode, Reapermon, Renamon A: Omegamon, Blackwargreymon, Wargreymon, Gallantmon A-: Megagargomon, Impmon B+: Gatomon B: Agumon, Veemon B-: Gabumon, Guilmon C: Patamon, Terriermon D: Wormmon

S++: Megagargomon S+: Metalgarurumon S: Wargreymon, Gallantmon, Seraphimon, Reapermon S-: Omnimon A+: Beelzemon, Magnadramon, Sakuyamon, Imperialdramon A: Imperialdramon Paladin Mode, Gabumon A-: Blackwargreymon, Stingmon, Gatomon, Guilmon, Agumon B+: Veemon, Terriermon B: Impmon B-: Patamon C: Renamon D: Wormmon

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